# US 11,547,650 B2 · Highly mineral-filled adhesive bandage or patch > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,547,650 B2 - Document ID: US11547650B2 - Status: Granted - Kind: B2 - Application number: 15/528,962 - Filed: 2015-11-12 - Published: 2017-09-14 - Granted: 2023-01-10 - Earliest claimed: 2014-11-27 - Assignees: Silab - Applicants: Silab S.A - Inventors: Cyrille Cabaret; Camille Benetollo; Elodie Georges; Agnès Jeanne Marie-Louise Claus; Vincent Maurice Gloaguen - Web page: https://patentgrep.com/patent/US11547650B2 ## CPC - A61K 8/73: Polysaccharides - A61K 8/0208: {Tissues; Wipes; Patches} - A61K 8/25: Silicon; Compounds thereof - A61K 8/26: Aluminium; Compounds thereof - A61K 8/345: {containing more than one hydroxy group} - A61K 8/4973: {with oxygen as the only hetero atom} - A61K 8/98: of animal origin - A61Q 19/00: Preparations for care of the skin - B29C 41/003: {characterised by the choice of material} - B29C 41/02: for making articles of definite length, i.e. discrete articles - B29C 41/46: Heating or cooling - A61K 2800/412: Microsized, i.e. having sizes between 0.1 and 100 microns - B29K 2005/00: Use of polysaccharides or derivatives as moulding material - B29K 2105/16: Fillers - B29L 2007/008: {Wide strips, e.g. films, webs} - B29L 2031/753: {Medical equipment; Accessories therefor (bloodbags, medical bags B29L2031/7148; artificial eyes B29L2011/0008)} - A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D) - A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS - B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00) - B29K: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS - B29L: INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES ## Abstract The present invention relates to an adhesive and soluble adhesive bandage or patch comprising a soluble film of natural origin with high mineral content. The soluble film comprises from 20 to 90 wt % of mineral filler and wherein the mineral filler content level is higher than the polysaccharide content level. It also relates to these bandages or patches for use in cosmetics or therapy. Also, a method of making a soluble film. ## Claims ### Claim 1 A bandage or patch comprising: a soluble film comprising a natural polysaccharide and a mineral filler selected from the group consisting of: phyllosilicates, kaolin, talc, sodium or calcium montmorillonite, attapulgite, mica, illite, perlite, vermiculite, halloysite, diatomite, carbonates or bicarbonates, marble, and mixtures thereof, wherein the soluble film comprises from 20 to 90 wt % of mineral filler, and wherein a weight ratio of the mineral filler to the natural polysaccharide is at least 2 and the film is water soluble and dissolves after between 10 seconds to 70 minutes of water exposure. ### Claim 2 (depends on 1) The bandage or patch according to claim 1, wherein the natural polysaccharide is from a plant extract, an algae extract, an animal extract, or a mixture thereof. ### Claim 3 (depends on 2) The bandage or patch according to claim 2, wherein the polysaccharide comprises an extract from a marine animal. ### Claim 4 (depends on 2) The bandage or patch according to claim 2, wherein the natural polysaccharide is selected from the group consisting of: cellulose derivatives, starches and derivatives thereof, chitin derivatives, phycocolloids, pectins, pullulan, gums, waxes, and mixtures thereof. ### Claim 5 (depends on 2) The bandage or patch according to claim 2, wherein the natural polysaccharide comprises a carrageenan. ### Claim 6 (depends on 1) The bandage or patch according to claim 1, wherein the bandage or patch comprises from 5 to 49 wt % polysaccharide. ### Claim 7 The bandage or patch according to claim wherein the mineral filler comprises kaolin. ### Claim 8 (depends on 1) The bandage or patch according to claim 1, wherein the bandage or patch comprises from 30 to 80 wt % of mineral filler. ### Claim 9 (depends on 1) The bandage or patch according to claim 1, wherein the soluble film further comprises at least one of a surfactant agent and a plasticizing agent. ### Claim 10 (depends on 1) The bandage or patch according to claim 1, wherein the soluble film comprises at least one water-soluble or liposoluble active ingredient selected from the group consisting of essential oils, phenols, peptides, extracts of spices or plants, and mixtures thereof. ### Claim 11 (depends on 1) The bandage or patch according to claim 1, wherein the soluble film comprises from 1 to 50 wt % of active ingredient. ### Claim 12 (depends on 1) The bandage or patch according to claim 1, wherein the weight ratio of the mineral filler to the natural polysaccharide weight ratio is between 2.0 and 2.5. ### Claim 13 (depends on 1) The bandage or patch according to claim 1, wherein the weight ratio of the mineral filler to the natural polysaccharide weight ratio is between 3.5 and 4.5. ### Claim 14 (depends on 1) The bandage or patch according to claim 1, wherein the soluble film comprises a plasticizer and wherein a weight ratio of the plasticizer to the mineral filler and the natural polysaccharide is from 0.2 to 0.3. ### Claim 15 (depends on 1) The bandage or patch according to claim 1, wherein the soluble film comprises: 50 to 70 wt % the mineral filler, 10 to 30 wt % natural polymer, 0 to 2 wt % surfactant, and 0 to 30 wt % plasticizer; or, 40 to 60 wt % the mineral filler, 10 to 25 wt % natural polymer, 0 to 2 wt % surfactant, 0 to 30 wt % plasticizer, and 1 to 25 wt % water-soluble active ingredient; or, 25 to 50 wt % the mineral filler, 5 to 25 wt % natural polymer, 0 to 2 wt % surfactant, 0 to 30 wt % plasticizer, and, 1 to 45% liposoluble active ingredient. ### Claim 16 (depends on 1) The bandage or patch according to claim 1, wherein a thickness of the soluble film is from 20 to 750 μm. ### Claim 17 A soluble film comprising a natural polysaccharide and a mineral filler selected from the group consisting of phyllosilicates, kaolin, talc, sodium or calcium montmorillonite, attapulgite, mica, illite, perlite, vermiculite, halloysite, diatomite, carbonates or bicarbonates, marble, and mixtures thereof, wherein the soluble film comprises from 20 to 90 wt % of mineral filler and wherein the mineral filler content level is at least two times greater than the polysaccharide content level, and and wherein the film is water soluble and dissolves after between 10 seconds to 70 minutes of water exposure. ### Claim 18 (depends on 17) A method for manufacturing the film of claim 17 comprising a natural polysaccharide and a mineral filler selected from the group consisting of: phyllosilicates, kaolin, talc, sodium or calcium montmorillonite, attapulgite, mica, illite, perlite, vermiculite, halloysite, diatomite, carbonates, bicarbonates, marble and mixtures thereof, wherein the soluble film comprises from 20 to 90 wt % of mineral filler and wherein the mineral filler content level is at least two times greater than the polysaccharide content level, wherein the process comprises: preparing a mixture of components of the film in aqueous liquid form, depositing the mixture previously obtained on an appropriate substrate, and evaporating the water by passing through a drying system.