RussianPatents.com

Russian patents in English sorted by IPC

A - HUMAN NECESSITIES
(95231)
B - PERFORMING OPERATIONS; TRANSPORTING
(57305)
C - CHEMISTRY; METALLURGY
(59317)
D - TEXTILES; PAPER
(3276)
E - FIXED CONSTRUCTIONS
(20319)
F - MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
(35755)
G - PHYSICS
(45063)
H - ELECTRICITY
(29906)
Section of powered support

Section of powered support

Section of powered support comprises a base, a boundary element connected to the base by means of four-link chain, pivotally connected by the support element to the boundary element, hydraulic props and hydraulic jacks of the skidding. At that the upper part of the boundary element of the section is hingedly connected to the spring-loaded panel, the opposite end of which is hingedly connected to the toothed bar, contacting with the other end with the electrical generator gear, which is mounted on the inner side of the boundary element and connected by the wire to the battery, placed on the lower surface of the support element.

Method of preventing explosion of combustible gases in mines

Method of preventing explosion of combustible gases in mines

Method of preventing explosion of combustible gases in mines is proposed, comprising isolation of mine workings with creation in them of nonexplosive concentration of combustible gases under excessive pressure and placement of channel for transporting the rock mass. And the said channel is filled with foam under pressure greater than the pressure of the combustible gas in the mine working. At that the part of the channel for transporting the rock mass is arranged horizontally, and under this part of the channel a container is placed for draining foam-generating liquid from the decomposable foam which is used for repeated obtaining the foam.

Method of manufacturing products from composite materials based on matrix from metal carbides, obtained with application of method of regulated introduction of metal into pores of carbon-containing material of workpiece

Method of manufacturing products from composite materials based on matrix from metal carbides, obtained with application of method of regulated introduction of metal into pores of carbon-containing material of workpiece

Method of manufacturing products from composite materials based on a matrix from metal carbides includes the production of a workpiece from a porous carbon-containing material with low density and high open porosity and its metallation by a vapour-liquid phase method. Introduction of metal into pores of the workpiece material is realised by portions in 2 or more doses, alternating it with the portion introduction of carbon by soaking with a coke-forming binding agent with its following solidification and carbonisation. In order to introduce a limited quantity of metal into the pores of the carbon-containing material at intermediate stages of metallation, the workpiece and crucible with metal are placed into a closed retort volume, heated in a vacuum in metal vapours, exposed at the maximal temperature of the metal carbidisation and cooled. The workpiece heating and isothermal exposure at a temperature higher than the evaporation temperature but lower than the maximal temperature of metal carbidisation is carried out at a difference of temperatures between the vapours of metal and the metallated workpiece with the lower temperature on the latter, following heating and isothermal exposure at the maximal temperature of the metal carbidisation - in the absence of the temperature difference, and cooling - with a reverse difference of temperatures or in the absence of the metal vapours The less metal is to be introduced into the pores of the workpiece material, the lower temperature is set on the workpiece and/or the lower difference of temperatures is created between the workpiece and the metal vapours and/or the less time is set on isothermal exposure, and on the contrary.

Method of manufacturing hermetic products from carbon-carbidesilicon materials

Method of manufacturing hermetic products from carbon-carbidesilicon materials

Invention relates to methods of manufacturing hermetic products from carbon-carbidesilicon materials (CCSM), intended for work in the chemical, chemical-metallurgic and other fields of industry. The method includes the formation of a frame from carbon fibres, which have LTEC 3-3.5×10-6 degree-1, its compaction with pyrolytic carbon to the 30-50% weight gain, or application in its formation of carbon fibres or fabric with a formed on them pyrocarbon coating with the formation of a workpiece from a porous carbon-carbon material. Then, coke and silicon are introduced into the pores of such workpiece in portions, for at least two times, with the alteration of their introduction. Coke is introduced by soaking with a coke-forming binding agent, with its further solidification and carbonisation. Introduction of silicon at intermediate stages is realised by the condensation of silicon vapours in the pores of the workpiece material in the process of heating and exposure of the workpiece and crucibles with silicon at a temperature on the silicicated workpiece of 1300-1650°C with further heating to 1800°C, exposure at 1800-1850°C for 1-2 hours and cooling under conditions, which exclude the condensation of the silicon vapours in the pores of the material, and the introduction of silicon at the final stage of siliciding - by the condensation of the silicon vapours in the pores of the material in the period of temperature growth and/or final cooling from 1800-1850°C.

Device for pulse pumping of liquid to formation

Device for pulse pumping of liquid to formation

Device includes a housing, a branch pipe with a central duct, openings and an nut, which is concentrically located in the housing, and a spring. The nut is installed on an outer surface of the branch pipe in its part, and the spring is installed between the nut and the housing, in which there is an internal cylindrical recess. In the lower part of the internal cylindrical recess of the housing there are radial ducts. A hollow cylindrical valve provided with an annular projection from above is rigidly attached from below to the branch pipe inserted into the housing with a possibility of restricted leak-proof downward movement of the internal cylindrical recess of the housing. The cavity of the internal cylindrical recess of the housing above the annular projection of the cylindrical valve is interconnected with openings to the central duct, and the cavity of the internal cylindrical recess under the projection is interconnected with radial ducts to the space outside the housing. There is also a replaceable sleeve and a check valve passing in an upward direction. According to the invention, the hollow cylindrical valve below the internal cylindrical recess of the housing is provided with radial openings. Below the radial openings, the cylindrical valve is provided with a replaceable sleeve with through openings from above. A blind rod is installed into the replaceable sleeve and provided from above with a radial through hole, into which a pin is installed, which is inserted in the radial openings of the hollow cylindrical valve and rigidly fixed in the housing. The blind rod has a possibility of restricted back-and-forth axial movements together with the housing relative to the replaceable sleeve with the hollow cylindrical valve with a possibility of cyclic opening and closing of through holes of the replaceable sleeve during pumping of liquid to the device.

Bucket auger

Bucket auger

Bucket auger includes an annular auger with an internal screw auger made in the form of a spiral. The bucket auger has a broadening in the screw auger in the lower part with a soil intake opening; with that, spiral winding is made on the inner and outer surfaces of the broadening, and a drive of mutual opposite rotation of annular and screw augers is made by means of gear transmissions.

Visual method of investigation of kind of damage to walls of casing string of well, and device for its implementation

Visual method of investigation of kind of damage to walls of casing string of well, and device for its implementation

Method consists in pulse lighting and recording of walls of a casing string of a well by means of a pulse light source and a picture telecamera with further processing of the obtained video materials, as per which place and nature of damage to the wall of the well casing string is determined. Before visual investigations are performed, acoustic investigations of intensity of noise emission are performed as to depth and azimuthal angle of the well by means of a point-directed transducer of intensity of noise emission with a directivity pattern coinciding as to direction with the directivity pattern of the pulse light source. With that, recording of walls of the well casing string by means of the picture telecamera is performed when an output signal from the transducer of intensity of noise emission exceeds the specified threshold value.

Method of prediction of explosiveness of deposited dust in gassy mines

Method of prediction of explosiveness of deposited dust in gassy mines is proposed, comprising determining in the coal of volatile matter content and mineral impurities in it, measuring the amount of dust deposited in mines and determining the lower limit of its explosiveness. And in the coal bed the areas with inclusions of pyrite are determined, and in the process of coal-face operation in the working with outlet air flow the air flow rate is measured, the content of methane and hydrogen sulphide in it. According to the content of hydrogen sulphide generated during the thermal decomposition of pyrite dust, the lower explosiveness limit of the hybrid mixture is determined.

Method to fix braces in latticed structure

Method to fix braces in latticed structure

Method to fix braces in a latticed structure includes installation of ends of braces of thin-walled open cross section symmetrically between elements of belts and connection with them via shelves of braces by fastening elements. Prior to installation at the ends of braces in their walls in the centre they make longitudinal cuts, and created parts of the wall are bent to form a joint flat section with shelves of braces, and fastening elements, for instance, self-drilling bolts, are installed within the limits of specified flat sections of contact of shelves and bent sections of brace walls.

Method to connect thin-walled elements of open cross section

Method to connect thin-walled elements of open cross section

In this method to connect thin-walled elements of open cross section, including making two longitudinal cuts in their end in a wall, bending of a part of a wall, restricted by cuts, application of the end of the element with a wall to a connected part, and installation of fastening elements, between the element wall and its bent part at close range at the point of bending they install an additional part. Fastening elements are placed within limits of the bent part of the wall, and also along the plane of the additional part protruding beyond the limits of the bent part of the wall.

Development method of shale deposits

Development method of shale deposits

Method consists in separation of the developed ore field into blocks isolated from each other in pillars. In the central part of each block along the bottom of the deposit there arranged are two horizontal wells as mine chambers, in which there installed with provision of an air gap is an explosive charge of alternating non-sealed containers loaded with an explosive and hollow ones dividing the charge into separate parts, which are all fixed at the well head on a rope. Containers are provided throughout the length of the charging composition with main detonating cables connected to each other at the well head, and with electric detonators with closed conductors. The working end of the containers filled with explosives is provided with a charge hollow. The second end is plugged. In order to reduce seismic action of explosion, the above containers are provided with detonators of short-delay blasting, which are mounted in a section of the detonating cable located in the inner cavity of the container. With that, an offset of one of the above detonators is connected to the main line of the detonating cable. An offset of the second detonator is connected to a backup line. Vertical production wells are arranged along the circuit of module units and provided with Khobot-Tornado vortex pumps with flow-airlift pipes providing operation of the pump. Development of the deposit is performed as per a three-stage modular circuit by series transition into neighbouring blocks isolated with pillars. At the first stage, mine formation fracturing is performed with further extraction of gas and gas condensate by means of production wells. At the second stage, heat treatment of fractured formations is performed by supplying under pressure of at least 2.0 MPa of high-temperature combustion products through vertical parts of horizontal wells into the bottom part of the formation with further removal of molten solid and viscous organic component parts. At the third stage, through vertical part of the horizontal wells there pumped to the cavity of the formation is an alkali solution to leach ash shale formations for extraction of rare-earth component parts.

Method to connect thin-walled elements of open cross section

Method to connect thin-walled elements of open cross section

Method to connect thin-walled elements of open cross section includes application of the end of the thin-walled element with a wall to a connected part, at the same time previously at the end of the element, having bent a part of its cross section until contact with the main part, installation of fastening elements in the point of contact of the bent and main parts of the element, element shelves are bent until contact with its wall to form a joint flat section at the end of the element.

Method to produce complex additive for air placed concrete (versions)

Method to produce complex additive for air placed concrete (versions)

Method to produce a complex additive for air placed concrete according to the version 1 includes pre-heating of water to 60-110°C, subsequent dissolution of aluminium sulphate, diethanol amine, fluorhydric acid and compounds with common formula NaxH3-xPO4, where x=0÷1.5. Then mixing is carried out to complete dissolution, afterwards sodium aluminate is introduced to produce the following composition (wt %): aluminium sulphate 25-35; diethanol amine 3-10; sodium aluminate 3-8; fluorhydric acid 2-10; derivatives of phosphoric acid 1-5; balance - water. The method to produce a complex additive for air placed concrete according to the version 2 includes pre-heating of water to 60-110°C, serial dissolution of aluminium sulphate, diethanol amine and sodium aluminate, mixing until complete dissolution, afterwards they introduce a mixture of magnesium oxide and formic acid to produce the following composition (wt %): aluminium sulphate 35-50; diethanol amine 0.2-0.5; sodium aluminate 3-6; magnesium oxide 1-3; formic acid 2.5-7.5; balance - water.

Method of leaching mineral deposits from producing formation

Method of leaching mineral deposits from producing formation

Invention can be used in particular in underground leaching unconsolidated sediments containing Cu, Au, Mo, U, NaCl, MgCl2 6H2O, and others. The method of leaching the mineral deposits from the producing formation comprises drilling injection and production bores, feeding the leach solution through the injection bore and pumping the productive solution through the production bore. Drilling the injection and production bores is carried out in one direction, placing the production bores under the injection bores. After drilling the first pair of the injection and the production bores drilling the next pairs of bores is carried out in a clockwise direction from the first pair with the pitch of 45°, and supplying the leach solution is carried out after the drilling of the next pair of bores. After pumping the productive solution the used bores are choked and new bores are drilled counter-clockwise with the pitch from the first injection and production bores of 22.5°, and the following - of 45°. At oblique occurrence of ore bed, drilling of injection and production bores is carried out under the angle of occurrence of the ore bed.

Air-entraining additive and method of obtaining thereof

Air-entraining additive and method of obtaining thereof

Invention relates to a method of obtaining and a composition of an air-entraining additive, applied in manufacturing monolith and assembled concrete and reinforced concrete products and constructions, as well as in the oil production industry in a composition of grouting cement materials. In the method of obtaining the air-entraining additive alkylarylsulphonates are obtained by polycondensation of alkylnaphthalenesulphonic acids with formaldehyde with further neutralisation of the reaction mass with sodium hydroxide, with the synthesis of alkylnaphthalenesulphonic acids being realised in the course of a combined alkylation-sulphonation process by a processing mixture of naphthalene and alcohol with a sulphonating agent in an interval of temperatures of 80-165°C with the following ratio of the reaction mass components, mol.%: naphthalene 100 and over 100: alcohol 80-200, sulphonating agent 110-150; polycondensation of alkylnaphthalenesulphonic acids with formaldehyde is carried out in an interval of temperatures of 90-130°C for 20-200 min with the following component ratio, mol.%: alkylnaphthalenesulphonic acids 100 and over 100: formaldehyde 40-80, until the air-entraining additive, representing a water solution with the weight part of dry substances of 5-32% is obtained, with the dry substances consisting of a neutralised mixture of products of polycondensation of alkylnaphthalenesulphonic acids and sodium sulphate with the following component ratio, wt %: neutralised mixture of products of polycondensation of alkylnaphthalenesulphonic acids 70-88, sodium sulphate 12-30. The air-entraining additive, obtained by the said method. The invention is developed in dependent claims of the invention formula.

Anti-frost complex additive and methods to produce dry form of additive (versions)

Anti-frost complex additive and methods to produce dry form of additive (versions)

In this method to produce a dry anti-frost complex additive, including mixing of a plasticising component, a salt component and an intensifier of anti-frost action, the intensifier of anti-frost action is a water-soluble organic component not containing salt-producing functional groups, with the HLB value of 2.8-4.3, which is dried on a carrier - the plasticising component, and the produced powdered product is mixed with the dry salt component to produce the following content of components, wt %: plasticising component - 10-80, salt component - 10-75, intensifier of anti-frost action - 5-15. In the version of the method to produce a dry anti-frost complex additive, including mixing of a plasticising component, a salt component and an intensifier of anti-frost action, the intensifier of anti-frost action is a water-soluble organic component not containing salt-producing functional groups, with the HLB value of 2.8-4.3, which is mixed with the dry plasticising component, and the produced paste-like mass is mixed with the dry salt component to produce loose mass. The invention also relates to composition of the dry anti-frost complex additive produced by above methods.

Device for vehicle retention

Device for vehicle retention

Device comprises a flat inertial element installed along the road traffic area - a heavy platform, and stands arranged at both sides of the road, equipped with a mechanism of vertical displacement of a rope arranged between them with its middle part and fixed in stands by means of brittle fixators. Rope ends going out from fixators are attached to the platform. A jacket from strong elastic air and water impermeable film is freely placed onto the middle part of the rope between the stands. The space between the rope and the inner surface of the jacket is filled with "sticky glue" based on thermoplastic polymers.

Production of fibres from mineral stock and device to this end

Production of fibres from mineral stock and device to this end

Invention relates to positioning of melt jet. Proposed process comprises feed and melting of initial stock in electrical-heater furnace, discharge of melt jet to four-roll centrifuge located under said furnace. Note here that melt jet is forced into bath located above the centrifuge displaced and inclined by actuator to feed the melt from said bath into said centrifuge.

Complex additive for refractory and ceramic articles

Complex additive for refractory and ceramic articles

Complex additive contains a polymeric sodium or polyalkylene oxide derivative of polymethylene naphthalene sulphonic acid, lignosulphonate and an electrolyte based on a mixture of rhodanide and sodium thiosulphate, wherein the additive further includes polyalcohols and sodium tripolyphosphate in the following ratio, (wt %): polymeric sodium or polyalkylene oxide derivative of polymethylene naphthalene sulphonic acid - 40-50; lignosulphonate - 10-20; polyalcohols - 8-10; sodium tripolyphosphate - 8-10; electrolyte based on a mixture of rhodanide and sodium thiosulphate - 12-15. The additive is added to a mixture based on clay and chamotte in amount of 0.3% of the weight of the mixture.

Method for enlargement and reaming of well shaft

Method for enlargement and reaming of well shaft

Method for enlargement and reaming of a well shaft is implemented by means of a tool including a hollow housing with a flushing hole on an end face; the lower part of the housing has end and side surfaces, and the upper shank part of the device has the shape of a cylinder ended with a thread; the lower part of the housing consists of a pilot centring part having a cylindrical shape, on the side surface of which there are flushing ports, and a diverging part. As a tool, a bit is used, the lower part of the housing of which has end and side working surfaces reinforced with armour, and the diverging part of the lower part of the housing is provided with blades and has the shape of cylinder of larger diameter, in the inter-blade space of which flushing ports are arranged.

Method to connect cantilevered sections of corrugated deck sheets

Method to connect cantilevered sections of corrugated deck sheets

Corrugated deck sheets are laid onto bearing structures, for instance, trusses, according to cantilevered scheme. Brackets from sheet steel are installed before overlapping of ends of cantilevered sections of corrugated sheets onto walls or shelves of lower ends of sheets at close range. After installation of brackets as overlapping, they lay an upper end of a corrugated sheet, and the protruding part of the bracket is bent relative to ends of walls or shelves of upper ends of overlapped sheets to contact with its surface. Final fixation is done by installation of fastening elements in the form of self-drilling bolts or combined rivets.

Method of making articles from composite material

Method of making articles from composite material

Method includes forming a pyrocarbon coating on heat-resistant fibres of a three-dimensional frame, impregnating the frame with a suspension of fine carbon filler having higher chemical activity than pyrocarbon, impregnating the frame with siloxane binder, moulding a plastic workpiece, heat treatment thereof and siliconising. According to the disclosed engineering solution, the pyrocarbon coating has thickness of 1-3 mcm; the fine filler is fed into the pores of the frame such that the pore size of the frame is not greater than 10 mcm; heat treatment of the plastic workpiece is carried out at 1200-1400°C in a vacuum or at atmospheric pressure in the medium of an inert gas, and siliconisation is carried out in a vacuum using a vapour-liquid phase method by capillary condensation of silicon vapour.

Dulling procedure for sharp edges of glassware

Dulling procedure for sharp edges of glassware

Method includes processing of glass edge by focused laser beam at relative movement of glassware and/or beam. Processing of glass edge is performed by the laser beam with a ring shape in a cross-section, during which the glass edge is heated by a laser beam up to the temperature above the vitrification temperature (T > Tg).

Method to fix architectural elements from polystyrene foam using auxiliary device for fixation

Method to fix architectural elements from polystyrene foam using auxiliary device for fixation

On a facade to the place of element adhesion before application of glue on its rear surface they fix auxiliary devices that represent a rectangular metal plate with extended holes for attachment to the facade. The plate is equipped with two rows of sharp cogs arranged along large edges of the plate perpendicularly to its plane. Tips of cogs have process nicks-and-burrs. Auxiliary devices are fixed on the wall so that cogs are arranged perpendicularly to the facade plane, with sharp ends outside. Afterwards glue is applied onto the rear surface of the element, and the element is strongly pushed onto protruding cogs so that the rear plane of the element and the plane of the facade contact each other, and excessive glue is squeezed out. Excessive glue is removed. The auxiliary fastening device provides for necessary temporary fixation of the element until complete drying of glue.

Sprinkler-activator with adjustable sprinkling quality

Sprinkler-activator with adjustable sprinkling quality

In sprinkler-activator with adjustable sprinkling quality the casing is of L shape, in bottom part it has cone expansion. The outer edge of the screw turns is made as per cone generatrix. The screw has left-hand thread and is made replaceable with variable number of thread entries and pitch. In the bottom part to the rotation body by means of the stud a replaceable flow divider-sprinkler is installed, it has form of the plate washer with water catching aprons on its bottom. Between the cone expansion of the casing and end face of the plate washer there is sealing gasket. Input windows of the water catching aprons are directed CCW.

Polymer composition for pipe production

Polymer composition for pipe production

Invention relates to formulation of polymer composition based on non-plasticised polyvinyl chloride (UPVC), which is applied in production of free-flow (sewage) pipes by method of extrusion. Polymer composition for production of pipes contains NPVC with value of Fikentscher constant (K) 66.0-69.0 and bulk weight 0.4-0.6 g/cm3, calcium carbonate, complex thermostabiliser: tribasic lead sulphate Pb2(SO4)3 - 17%, bibasic lead phosphite 2PbO·PbHPO3·0,5H2O - 18%, lead stearate Pb(C18H35O2)2 - 28%, calcium stearate Ca(C18H35O2)2 - 27%, antioxidant - 10%, impact resistance modifier: chlorinated polyethylene CPE 135, fluidity modifier: acryl processing anti-stick additive, lubricant: polyethylene wax, stearic acid, soot. Polymeric composition can additionally include recycled furniture PVC film or recycled waste PVC panels. Mixing of all components is carried out in three stages: mixing in hot mixer, mixing in cold mixer, exposure of mixture at temperature 15-30°C for 24 hours. Prepared in such way mixture is supplied in extruder.

Two-component water-based adhesive

Invention relates to a method of gluing two substrates. One substrate is coated with a layer of water-based adhesive on a base of a dispersion of chlorinated polyolefins, as well as additives with pH 10-13. Further, an activator solution is deposited on the first or second substrate, the activator solution containing a substance characterised by acid groups. The coated surfaces are then glued together under low pressure.

Mastic composition and method of obtaining thereof

Composition contains, wt %: oil bitumen or asphalt of propane tar deasphalting of liquid asphalt (PTD) - 86-90, processed absorbent of butadiene and isoprene production - 5-8, sulphuric acid - the remaining part. First oil bitumen or PTD is mixed with absorbent at temperature 100-110°C for 150-180 min, after which sulphuric acid is introduced into reaction mass by dripping at rate 40-50 kg/h at temperature of reaction mass 110-125°C. After that, obtained reaction mass is mixed for 120-150 min at temperature 125-130°C, then temperature is increased to 140°C, after which mixing is continued for 240-300 min. Then temperature of reaction mass is increased to 150°C with mixing for 240 min, after which obtained product is subjected to aging.

Inorganic nanoporous particles with water-dispersible polyurethane binding substance

Invention relates to product, method of product obtaining and product application. Product contains inorganic nanoporous particles, bound to each other by water-dispersible polyurethane, where product includes 75 vol % or more inorganic nanoporous particles counted per the total volume of product and less than 5 vol % of water-dispersible polyurethane counted per the total volume of dry product, and has density 0.14 g/cm3 or lower and heat conductivity 25 mW/(m·K) or lower and is at least 0.5 cm thick. Inorganic nanoporous particles are functionally free from organic components, which have potential reactivity of covalent bonding, and functional coating on particles, and product is functionally free from hollow non-porous particles, layered silicates and clayey minerals; has pore walls, which are sufficiently hydrophobic to eliminate water absorption in the entire porous structure of particles. Product has thickness and sufficient flexibility for bending plane, perpendicular to thickness by at least 90° around the core, which has diameter, equal to product thickness, without macroscopic rupture or destruction. Water-dispersible polyurethane is cross-linked. Method of product obtaining includes dispersion of inorganic nanoporous particles in water dispersion of water-dispersible polyurethane with formation of filled dispersion, pouring filled dispersion into mould and drying with product formation. Method of product application includes placement of product in structure between two areas, which can differ in temperature.

Method of growing epitaxial layers of semiconductor crystals of group three nitrides on layered crystalline structure

Method of growing epitaxial layers of semiconductor crystals of group three nitrides on layered crystalline structure

Method is based on application of laser radiation with wavelength and power, selected in such a way that laser radiation is absorbed near one of the borders of layered crystalline structure and partially destroys group III nitride near said border, and thus weakens mechanical strength of said border and entire layered crystalline structure. Obtained by said method crystalline structures with optically weakened border can be used as substrates for growing epitaxial crystalline layers of group three nitrides and make it possible to considerably weaken mechanical stresses that arise due to mismatch of parameters of crystalline lattices and thermal expansion coefficients.

More Russian patents:

2531500 - 2531699

2531700 - 2531899

2531900 - 2532099

2532100 - 2532299

2532300 - 2532499

2532500 - 2532699

2532700 - 2532899

2532900 - 2533099

2533100 - 2533299

2533300 - 2533499

2533500 - 2533699

2533700 - 2533899

2533900 - 2534099

2534100 - 2534299

2534300 - 2534499

2534500 - 2534699

2534700 - 2534899

2534900 - 2535099

2535100 - 2535299

2535300 - 2535499

2535500 - 2535699

2535700 - 2535899

2535900 - 2536099

2536100 - 2536299

2536300 - 2536499

2536500 - 2536699

2536700 - 2536899

2536900 - 2537099

2537100 - 2537299

2537300 - 2537499

2537500 - 2537699

2537700 - 2537899

2537900 - 2538099

2538100 - 2538299

2538300 - 2538499

2538500 - 2538699

2538700 - 2538899

2538900 - 2539099

2539100 - 2539299

2539300 - 2539499

2539500 - 2539699

2539700 - 2539899

2539900 - 2540099

2540100 - 2540299

2540300 - 2540499

2540500 - 2540699

2540700 - 2540899

2540900 - 2541099

2541100 - 2541299

2541300 - 2541499

© 2013-2015 Russian business network RussianPatents.com - Special Russian commercial information project for world wide. Foreign filing in English.