Filaments containing active components, suitable for oral supplementation, non-woven fabrics and methods of manufacturing them

FIELD: medicine.

SUBSTANCE: nonwoven fabric suitable for swallowing, used to deliver one or more active components, is described. Filaments containing filament-forming material and an additive suitable for supplementation of an active component are described. Non-woven fabrics and methods for manufacturing such filaments are described. The nonwoven fabric contains filaments that contain typically incompatible active components.

EFFECT: improved connections.

29 cl, 6 dwg, 5 ex



Same patents:

FIELD: process engineering.

SUBSTANCE: invention relates to bulky nonwoven material used for cleaning and to its fabrication. Nonwoven bulky material (10) comprises first side (11), second side (12) opposite the latter, multiple macroscopic recessed ridges (21) and ledge (30) on at least first side (11). First recessed ridge (21) extends in first direction with reset interval. Ledge (30) is arranged between first recessed abutting ridges (21). Ledge (30) extends from second side (12) to first side (11) of bulky material (10).

EFFECT: material is suitable for efficient catching of coarse dust particles.

12 cl, 12 dwg, 1 tbl

FIELD: textiles, paper.

SUBSTANCE: in a nonwoven fabric a plurality of small fibrous fragments, having a deeper colour than the colour of the basic texture of the nonwoven fabric, is distributed and placed in a scattered state over the whole area of the nonwoven fabric. In addition, the value difference (T3) of thicknesses is 1 mm or less when determining according to the formula T3=T1-T2, where T1 is the thickness of the nonwoven fabric (10) in determining under the pressure of 7.64 kPa in the area where there is a fine fibrous fragment, while T2 is the thickness of the nonwoven fabric determined under the pressure of 7.64 kPa in the area where the fine fibrous fragment is absent.

EFFECT: improvement of the efficiency of manufacturing the nonwoven fabric.

23 cl, 4 dwg, 2 tbl

FIELD: process engineering.

SUBSTANCE: set of inventions relates to porous membrane, separator for electrochemical device including said porous membrane and said separator and to method of its production. porous membrane contains cellulose fibres wherein the latter are produced from the mix of over 50 wt % of initial material first cellulose fibres with surface area defined by staining with "congo red" dye and making 250 m2/g or more and 500 m2/g or less; and less than 50 wt % of second cellulose fibres with surface area defined by "congo red" staining and making 150 m2/g or more and less than 250 m2/g.

EFFECT: better properties, acceptable costs.

28 cl, 1 tbl, 8 ex

Duplicating gasket // 2501894

FIELD: textiles, paper.

SUBSTANCE: duplicating gasket is described, which is applicable, in particular, as a gasket for the front duplicating in the textile industry, with a carrier layer based on loosely coupled and structured with the waterjet method combing or nonwoven fabric. At that the carrier layer is bound only on the selected sites using a binder and is provided at least from one side with an adhesive mass. The carrier layer is structured so that it has a raster perforated structure.

EFFECT: high volume and reversible elasticity, extremely high elastic recoverability.

11 cl, 7 dwg

FIELD: textiles, paper.

SUBSTANCE: method for producing absorbent cotton includes mechanical and optional chemical processing of cotton and/or bast fibers and/or man-made natural and/or synthetic artificial fibers containing cotton and bast of step of bleaching, souring, washing, pressing, loosening, drying and carding, for natural and man-made synthetic man-made fibers of steps of hoeing and carding, followed by hackling and the formation of a mixture of fibers with manufacturing of beat up mixed fiber and the production of cotton canvas from it. Fibers are isolated from a mixture of cloth or rags and textile waste by pulping raw material. Hygroscopic cotton fiber comprises a mixture based on fibers selected from the group of cotton, bast, natural, artificial, synthetic, artificial fabric.

EFFECT: increasing the speed of wetting, absorption capacity, capillarity of cotton, recycling of various rags and textile waste and eliminating dependence from the deficit on raw material for the production of cotton.

11 cl, 1 tbl

FIELD: textiles, paper.

SUBSTANCE: absorbent cotton consists of bast fibers or fiber mixture based on cotton and/or bast, and optionally synthetic fibers. As the cotton fibers, at least cotton fibers itself and/or cotton blowing are used; as bast fibers, at least flax fibers and/or flax tow, and/or hemp fibers, and/or hemp tow, and/or jute fibers, and/or jute tow, and/or kenaf fiber, and/or kenaf tow are used; as the synthetic fibers, the viscose rayon fibers and/or polyester fibers are used. The method of producing absorbent cotton comprises mechanical and chemical treatment of cotton and/or bast fibers containing stages of bleaching, souring, washing, wringing, loosening, drying, rippling and forming the mixture of fibers to prepare the scutched mixed fibers and production of cotton canvas of it. The organic synthetic fibers for the textile industry are optionally added to a mixture of cotton and/or bast fibers after chemical treatment.

EFFECT: increase in the specific viscosity, elasticity of cotton, eliminating dependence on a deficit of any raw material used to produce cotton, and expanding the range of ready-made products of it.

4 cl, 9 tbl, 7 ex

FIELD: textile, paper.

SUBSTANCE: mineral fibres are produced from a mineral melt with the help of a fibre-forming apparatus, a binder is added to shaped mineral fibres, and are blown from the fibre-forming apparatus to a collecting surface, on which mineral fibres are assembled as a primary canvass. Optionally the primary canvass is interwoven into the secondary canvass. The primary canvass from the collected mineral fibre or the secondary canvass from the mineral fibre is processed at the working level of the first processing plant, and the canvass is transported on a conveyor to the working level of the second processing plant. Working levels of the first and/or second processing plant are adjusted substantially in one and the same plane in order to provide for displacement at one level of the canvass from the mineral fibre between processing plants.

EFFECT: reduced crippling and warping of a fibrous canvass between various processing plants.

9 cl, 1 dwg

FIELD: machine building.

SUBSTANCE: profiled sheet made from fibers comprises multiple ledges, jointing sections and recesses made on its surface. Note here that said jointing sections make boundaries to joint said ledges together. Note also that said recesses are located between said ledges aside from jointing sections, i.e. six recesses around each ledge. Invention relates also to absorbing article incorporating said sheet.

EFFECT: higher efficiency of absorbing fluid.

17 cl, 19 dwg, 3 tbl

FIELD: chemistry.

SUBSTANCE: disclosed is an insulation material made with possibility of increasing volume thereof, containing clusters with a random shape, made with possibility of increasing volume thereof, wherein said clusters contain natural fibre or material. The clusters also contain synthetic fibre or material.

EFFECT: increase in comfort during use and reduced harmful effect owing to low content of synthetic materials.

10 cl

FIELD: textile, paper.

SUBSTANCE: system (90) for fastening a nonwoven fabric (10) includes a canvas (12) formed from a variety of extruded threads (14). At least some of the threads (14) in the nonwoven fabric (10) include self-adhesive material. Foamed layer (91) includes a surface (92) having a variety of loosely arranged elements (93). The elements (93) are adapted for engagement with at least a part of the set of threads (14). And at least some of the loosely arranged elements (93) include a surface modifier. The surface modifier is a self-adhesive material, which is similar to self-adhesive material in the nonwoven fabric (10). The threads (14) of non-woven fabric (10) are formed of a multicomponent or bicomponent material. At least one of the materials in multicomponent or bicomponent materials is a self-adhesive material. In one version the absorbent article (95) contains a system of fastening (90) for fixation of the absorbent article (95) on the waistline of the user. In another version, the absorbent article (95) contains a system of fastening (90) for fixation of the absorbent article on the waistline of the user, where the surface modifier comprises a binder or polymer wax. The strength of connection between the non-woven fabric (10) and a part of the foamed layer (91) includes a surface modifier, with a strength of 1.5 times greater than the strength bond between the nonwoven fabric (10) and a part of the foamed layer (91), which does not include a surface modifier.

EFFECT: improved properties of mechanical fasteners and ease of production of fastening system.

18 cl, 18 dwg, 6 tbl, 6 ex

Transdermal plaster // 2553350

FIELD: medicine.

SUBSTANCE: group of inventions relates to medicine. Described is matrix layer, suitable for application in plaster for transdermal delivery, aimed at introduction of biologically active compounds, which includes phosphate compound of tocopherol and polymer carrier. Also described is transdermal plaster and method of its production.

EFFECT: plaster makes it possible to efficiency introduce biologically active compounds.

48 cl, 15 tbl, 13 dwg, 12 ex

FIELD: medicine.

SUBSTANCE: what is described is an antiseptic sorption material having the anti-inflammatory, wound-healing, absorbent, astringent and antiseptic action representing a microfiber matrix with a disperse adsorbent attached to its fibres and containing highly porous alumina hydrate particles and zinc oxide particles. A method for making the same and a based dressing are also described.

EFFECT: material is applicable for making wound dressings having additional functional properties and maintaining the absorbing properties of the material absorbing the wound discharge, inhibiting bacterial growth inside the dressing and preventing the wound re-infection.

15 cl, 4 dwg, 2 tbl, 3 ex

FIELD: medicine.

SUBSTANCE: group of inventions refers to medicine. What is described is a transdermally absorbable formulation prepared by dissolving donepezil in an adherent plaster base, which contains a hydrophobic polymer and an absorption enhancer. The absorption enhancer represents one substance, or two or more substances specified in lauryl alcohol, triethyl citrate, isopropylmyristate, cetyl lactate, oleyl alcohol, sorbitan monooleate, polyethyleneglycol monostearate, lauromacrogol, N-methyl-2-pyrroldone and triacetin.

EFFECT: transdermally absorbable formulation can administer donepezil stably for a relatively long period of time and can provide both blood donepezil increase, and the properties of sustained release of donepezil.

4 cl, 4 dwg, 6 tbl, 26 ex

FIELD: medicine, pharmaceutics.

SUBSTANCE: invention refers to a percutaneously absorbable layer having a base and an adhesive layer which is placed on the base and which comprises an adhesive agent and a therapeutic ingredient. The adhesive agent contains a mixture of resins containing 100 portions by weight of an acrylic copolymer (A) and 0.1 to 30 portions by weight of an acrylic copolymer (B) or 0.05 to 2 portions by weight of a low-molecular polyamine compound having at least two amino groups in one molecule and non-polymerising with a polymer or an oligomer formed. The adhesive layer additionally contains an organic acid. The acrylic copolymer (A) represents an acrylic copolymer, which contains acrylic ester of (meth)acrylic acid as a main monomer ingredient and contains 3 to 45 wt % of diacetone acrylamide as a target monomer ingredient, but free from a free carboxylic group. The acrylic copolymer (B) represents an acrylic copolymer, which contains acrylic ester of (meth)acrylic acid as a main monomer ingredient and contains a primary amino group and/or carboxyhydrazidase group on side chains, but free from a free carboxylic group.

EFFECT: reducing the aging period of the adhesive layer considerably.

7 cl, 8 tbl, 39 ex

Antiviral agent // 2542488

FIELD: medicine, pharmaceutics.

SUBSTANCE: group of inventions refers to an antiviral agent and aims at inactivating a wide range of viruses. The antiviral agent contains an active agent presented by particles of at least one type of iodide formed by iodine and an element formed in 4-6th periods of the 8-10th or 12-15th groups of the periodic table, Cu or Au. The above element found in the 4-6th periods of the 8-10th or 12-15th groups of the periodic table represents Sb, Ir, Ge, Sn, Tl, Pt, Pd, Bi, Fe, Co, Ni, Zn, In or Hg. What is also presented is the antiviral agent containing particles of at least one type of a cuprous compound as an active ingredient. The above cuprous compound represents chloride, acetate, sulphide, iodide, bromide, peroxide, oxide or thiocyanide.

EFFECT: using the group of inventions provides the agent having the high antiviral activity; the above agent is able to exhibit and maintain its antiviral activity easily since it requires no preparation or special washing.

5 cl, 4 tbl, 27 ex

FIELD: chemistry.

SUBSTANCE: invention relates to method of obtaining adhesive composition without application of solvent, to adhesive composition, which does not contain fillers and is obtained by said method. Method includes a) supply of highly-molecular polyisobutylene (HM PIB) into extruding device, where said HM PIB in fact does not contain fillers, solvents and plasticisers; b) mixing said HM PIB with low-molecular polyisobutylene (LM PIB) in said extruding device to form melt, which in fact does not contain filler, solvents and plasticisers; c) addition of active pharmaceutical ingredient (API) to said melt to obtain API/PIB melt; and d) passing said API/PIB melt through head to form said adhesive composition, which in fact does not contain fillers, solvents and plasticisers.

EFFECT: method of obtaining adhesive composition for production of pressure-sensitive adhesive matrix layers for transdermal delivery of medicinal media without application of inflammable solvents eliminates need in drying blocks, favourably influences environment without any release of solvent, with no undesirable remains of solvent remaining in obtained composition.

21 cl, 4 dwg, 1 ex

FIELD: medicine, pharmaceutics.

SUBSTANCE: group of inventions refers to medicine. What is described is a system of the transdermal delivery of a drug containing an effective dose of an antithrombotic agent, such as tirofiban, or its pharmaceutically acceptable salt. A dose of the delivered drug is proportional to an applied plaster size and reaches 60-85% of thrombocyte inhibition. The system enables providing the individualised treatment of patients. There are presented methods of treating various disorders, when the thrombocyte inhibition is required.

EFFECT: transdermal delivery system can deliver the drug to the patient for the prolonged period of time.

25 cl, 12 ex

FIELD: medicine.

SUBSTANCE: invention refers to medicine, particularly to a method for active substance (AS) delivery through an epidermal barrier. The declared method involves using a matrix-type transdermal patch containing a substrate, a protective tape and a polymer layer, and characterised by the fact that 10% PEG-12 dimethicone niosomes are introduced into the polymer layer of the transdermal patch; then the substrate is coated with the polymer layer. The ACs are encapsulated into the niosomes with the use of hemogeniser APV, as well as 10 wt % propylene glycol and 5 wt % isopropyl myristate.

EFFECT: improving the active substance penetration with maintaining the biological activity and prolonging the active substance action.

2 tbl, 3 ex

FIELD: medicine, pharmaceutics.

SUBSTANCE: invention refers to medicine and cosmetology and can be used for the effective transdermal delivery of the wide range of active substances (AS). What is declared is a method for the transdermal delivery of the active substances as a part of PEG-12 dimethicone niosomes characterised by the fact that the AS are included into the niosomes in the concentration of 10% by homogenising gel containing 10% niosomes in the homogeniser APV.

EFFECT: invention provides the higher transdermal effect of the interstitial delivery of the AS as a part of the niosomes.

3 tbl, 2 dwg

FIELD: medicine.

SUBSTANCE: invention refers to medicine. What is described is a method for producing a therapeutic tissue involving producing a polymer base containing alginic acid salt, administering an active substance in a therapeutically effective amount, agitating the mixture in a slow-speed mixer, applying the prepared composition on a textile material containing at least 50% cellulose fibres, while the composition of the polymer with the active substance is applied on the textile material through a mesh template at a cell size of 200 to 450 mcm to generate a continuous polymer layer on the face surface of the textile material not penetrating to the inner side.

EFFECT: method enables extending the range of therapeutic agents and biologically active additives, enabling variation of their concentration that causes their concentration in treating various diseases, enables fast transformation of the technological process and its cost-effectiveness.

28 cl, 23 ex

FIELD: chemistry.

SUBSTANCE: invention relates to nanotechnology, particularly a method of producing aspirin nanocapsules in a carrageenan envelope. The disclosed method includes preparing an aspirin suspension in benzene; dispersing the obtained mixture into a carrageenan suspension in butanol in the presence of an E472c preparation while mixing at 1000 rps; adding tetrachloromethane; filtering the obtained nanocapsule suspension and drying at room temperature.

EFFECT: method provides a simpler and faster process of producing nanocapsules and increases mass output.

1 dwg, 4 ex