# US 2019/0376010 A1 · Water-soluble unit dose articles made from extruded films and containing household care compositions and methods for making the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0376010 A1 - Document ID: US20190376010A1 - Status: Published application - Kind: A1 - Application number: 16/004,071 - Filed: 2018-06-08 - Published: 2019-12-12 - Earliest claimed: 2018-06-08 - Assignees: The Procter & Gamble Company - Applicants: The Procter & Gamble Company - Inventors: Amanee SALAAM; Norman Scott BROYLES; Emily Charlotte BOSWELL - Web page: https://patentgrep.com/patent/US20190376010A1 ## CPC - C11D 17/045: {Multi-compartment} - B65D 65/46: Applications of disintegrable, dissolvable or edible materials - B65D 75/30: Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding - C08K 5/053: Polyhydroxylic alcohols - C11D 3/3753: {Polyvinylalcohol; Ethers or esters thereof} - C11D 17/042: {Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions} - C11D 2111/12: Soft surfaces, e.g. textile - C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL - B65D: CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) ## Abstract The present disclosure relates to water-soluble unit dose articles made from a combination of water-soluble films and containing household care compositions that are at least partially enclosed by the water-soluble films in at least one compartment. ## Claims ### Claim 1 A water-soluble unit dose article comprising: one or more layers of a first water-soluble film; one or more layers of a second water-soluble film; wherein the first water-soluble film is sealed to the second water-soluble film to form at least one sealed compartment; at least one household care composition at least partially enclosed within the sealed compartment; wherein each of the first water-soluble film and the second water-soluble film independently comprises: a polyvinyl alcohol (PVOH) polymeric resin and/or blend thereof, wherein from about 95% to about 100% of the polyvinyl alcohol (PVOH) polymeric resin and/or blend thereof is characterized by having a weight average molecular weight of from about 20,000 Da to about 94,500 Da, and wherein no more than about 5% of the polyvinyl alcohol (PVOH) polymeric resin and/or blend thereof is characterized by having a weight average molecular weight of greater than about 95,000 Da; one or more plasticizers; and wherein each of the first water-soluble film and the second water-soluble film independently exhibits a water vapor transmission rate of from about 50 g/(m2·day) to about 90 g/(m2·day) as measured according to the Water Vapor Transmission Test Method. ### Claim 2 (depends on 1) The water-soluble unit dose article according to claim 1, wherein from about 95% to about 100% of the polyvinyl alcohol (PVOH) polymeric resin and/or blend thereof is characterized by having a weight average molecular weight of from about 25,000 Da to about 90,000 Da. ### Claim 3 (depends on 1) The water-soluble unit dose article according to claim 1, wherein the polyvinyl alcohol (PVOH) polymeric resin and/or blend thereof comprises a polyvinyl alcohol (PVOH) homopolymer. ### Claim 4 (depends on 1) The water-soluble unit dose article according to claim 1, wherein the polyvinyl alcohol (PVOH) polymeric resin and/or blend thereof is characterized by having a degree of hydrolysis of from about 60% to about 99%. ### Claim 5 (depends on 1) The water-soluble unit dose article according to claim 1, wherein the plasticizer is selected from the group consisting of sorbitol, glycerol, and mixtures thereof. ### Claim 6 (depends on 1) The water-soluble unit dose article according to claim 1, wherein each of the first water-soluble film and the second water-soluble film independently comprises from about 50% to about 95%, by weight of the water-soluble film, of the polyvinyl alcohol (PVOH) polymeric resin and/or blend thereof. ### Claim 7 (depends on 1) The water-soluble unit dose article according to claim 1, wherein each of the first water-soluble film and the second water-soluble film independently comprises from 5% to about 50%, by weight of the water-soluble film, of the plasticizer. ### Claim 8 (depends on 1) The water-soluble unit dose article according to claim 1, wherein each of the first water-soluble film and the second water-soluble film independently is characterized by a tensile strength of from about 20 mPa to about 40 mPa as measured according to the Tensile Strength Test Method. ### Claim 9 (depends on 1) The water-soluble unit dose article according to claim 1, wherein each of the first water-soluble film and the second water-soluble film independently has an undeformed thickness of from about 5 μm to about 200 μm. ### Claim 10 (depends on 1) The water-soluble unit dose article according to claim 1, wherein each of the first water-soluble film and the second water-soluble film independently further comprises one or more components selected from the group consisting of aversive agents, cross-linking agents, antiblocking agents, detackifying agents, extenders, fillers, lubricants, release agents, surfactants, gas-barrier additives, and combinations thereof. ### Claim 11 (depends on 1) The water-soluble unit dose article according to claim 1, wherein each of the first water-soluble film and the second water-soluble film independently further comprises one or more aversive agents. ### Claim 12 (depends on 1) The water-soluble unit dose article according to claim 1, wherein the household care composition is a laundry detergent composition. ### Claim 13 (depends on 1) The water-soluble unit dose article according to claim 1, wherein the first water-soluble film is chemically different than the second water-soluble film. ### Claim 14 (depends on 1) The water-soluble unit dose article according to claim 1, wherein the first water-soluble film is substantially identical to the second water-soluble film. ### Claim 15 (depends on 1) The water-soluble unit dose article according to claim 1, wherein the water-soluble unit dose article comprises at least two sealed compartments, a first compartment and second compartment, wherein the second compartment is superposed on the first compartment. ### Claim 16 A water-soluble unit dose article comprising: a first water-soluble multilayer film composite comprising two or more layers of a water-soluble film; a second water-soluble multilayer film composite comprising two or more layers of the water-soluble film; wherein the first water-soluble multilayer film composite is sealed to the second water-soluble multilayer film composite to form at least one sealed compartment; at least one household care composition at least partially enclosed within the sealed compartment; wherein the water-soluble film of each of the layers independently comprises: a polyvinyl alcohol (PVOH) polymeric resin and/or blend thereof, wherein from about 95% to about 100% of the polyvinyl alcohol (PVOH) polymeric resin and/or blend thereof is characterized by having a weight average molecular weight of from about 20,000 Da to about 94,500 Da, and wherein no more than about 5% of the polyvinyl alcohol (PVOH) polymeric resin and/or blend thereof is characterized by having a weight average molecular weight of greater than about 95,000 Da; one or more plasticizers; and wherein each of the first water-soluble multilayer film composite and the second water-soluble multilayer film composite independently comprises at least an inward facing layer and an outward facing layer, wherein the inward facing layer of the first water-soluble multilayer film composite is chemically different than the outward facing layer of the first water-soluble multilayer film composite. ### Claim 17 A method of making a water-soluble unit dose article, the method comprising the steps of: extruding one or more layers of a first water-soluble film; extruding one or more layers of a second water-soluble film; shaping the first water-soluble film to form an open compartment; providing a household care composition; loading the open compartment with the household care composition; and sealing the open compartment with the second water-soluble film to form a water-soluble unit dose article having a sealed compartment having the household care composition enclosed therein; wherein each of the first water-soluble film and the second water-soluble film independently comprises: a polyvinyl alcohol (PVOH) polymeric resin and/or blend thereof, wherein from about 95% to about 100% of the polyvinyl alcohol (PVOH) polymeric resin and/or blend thereof is characterized by having a weight average molecular weight of from about 20,000 Da to about 94,500 Da, and wherein no more than about 5% of the polyvinyl alcohol (PVOH) polymeric resin and/or blend thereof is characterized by having a weight average molecular weight of greater than about 95,000 Da; one or more plasticizers; and wherein each of the first water-soluble film and the second water-soluble film independently exhibits a water vapor transmission rate of from about 50 g/(m2·day) to about 90 g/(m2·day) as measured according to the Water Vapor Transmission Test Method. ### Claim 18 (depends on 17) The method according to claim 17, wherein the open compartment is sealed with at least a second sealed compartment, such that the water-soluble unit dose article formed by the method is a multi-compartment water-soluble unit dose article having superposed compartments. ### Claim 19 (depends on 17) The method according to claim 17, wherein the first water-soluble film is chemically different than the second water-soluble film. ### Claim 20 (depends on 17) The method according to claim 17, wherein the first water-soluble film is substantially identical to the second water-soluble film.