# US 2013/0157012 A1 · Substrates comprising frothed benefit agents for enhanced substrate benefits > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0157012 A1 - Document ID: US20130157012A1 - Status: Published application - Kind: A1 - Application number: 13/718,709 - Filed: 2012-12-18 - Published: 2013-06-20 - Earliest claimed: 2010-12-28 - Assignees: Kimberly-Clark Worldwide, Inc. - Inventors: Jian Qin; Francis P. Abuto; Deborah J. Calewarts; Keyur M. Desai; Yvette L. Hammonds; Jeffrey F. Jurena; Candace D. Krautkramer; Adrienne R. Loyd; Susan E. Shawver; Donald E. Waldroup - Web page: https://patentgrep.com/patent/US20130157012A1 ## CPC - D04H 13/007: {strengthened or consolidated by welding together the various components} - A61K 8/0208: {Tissues; Wipes; Patches} - A61K 8/96: containing materials, or derivatives thereof of undetermined constitution - B32B 5/022: {Non-woven fabric} - B32B 5/20: foamed in situ - B32B 5/245: {another layer next to it being a foam layer} - B32B 38/145: {Printing} - D04H 1/58: by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives (in combination with needling D04H1/488) - D04H 1/64: the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions - D06M 15/227: of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated - D06M 15/233: aromatic, e.g. styrene - D06M 23/04: Processes in which the treating agent is applied in the form of a foam - D06N 3/0029: {Stretchable fibres; Stretching of fibres during manufacture} - D06N 3/0047: {obtained by incorporating air, i.e. froth} - A61K 9/70: Web, sheet or filament bases {; Films; Fibres of the matrix type containing drug (hollow drug-filled fibres A61K9/0092)} - B32B 37/12: characterised by using adhesives - B32B 2305/20: in the form of a non-woven mat - B32B 2307/51: Elastic - B32B 2307/75: Printability - B32B 2555/00: Personal care - B32B 2555/02: Diapers or napkins - D06N 2205/023: Emulsion, aqueous dispersion, latex - D06N 2205/045: Froth - Y10T 428/24446: Wrinkled, creased, crinkled or creped - Y10T 428/24455: Paper - D04H: MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL (weaving D03; knitting D04B; braiding D04C; net-making D04G; sewing D05B; tufting D05C; finishing non-woven fabrics D06); FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING {; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION}(non-woven fabrics having an intermediate or external layer of a different kind, e.g. of woven fabric, B32B) - 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) - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - D06M: TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS - D06N: WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract The present invention provides a nonwoven substrate comprising a fibrous web defining a surface; and a layer of a benefit agent wherein said benefit agent is selected from an additive composition, an enhancement component and combinations thereof; wherein said benefit agent is frothed and bonded to the fibrous web surface through a creping process and wherein said nonwoven substrate demonstrates improvements selected from enhanced tactile feel, enhanced printing, a decrease in hysteresis, an increase in bulk, an increase in elasticity/extensibility, an increase in retractability, a reduction in rugosities and combinations thereof when compared to an untreated substrate. ## Claims ### Claim 1 A nonwoven substrate comprising: a fibrous web defining a surface; and a layer of a benefit agent wherein said benefit agent is selected from an additive composition, an enhancement component and combinations thereof; wherein said benefit agent is frothed and bonded to the fibrous web surface through a creping process; and wherein said nonwoven substrate demonstrates improvements selected from enhanced tactile feel, enhanced printing, a decrease in hysteresis, an increase in bulk, an increase in elasticity/extensibility, an increase in retractability, a reduction in rugosities and combinations thereof when compared to an untreated substrate. ### Claim 2 (depends on 1) The nonwoven substrate of claim 1 wherein the improvements are selected from at least about a 5% decrease in hysteresis, at least about a 40% increase in bulk, and combinations thereof when compared to an untreated substrate. ### Claim 3 (depends on 1) The nonwoven substrate of claim 1 wherein the fibrous web is selected from the group consisting of tissue, through air-dried tissue, paper toweling, hydroentangled web, spunbond, meltblown, coform, bonded carded web, airlaid, laminates, paper, and composite combinations of the above. ### Claim 4 (depends on 1) The nonwoven substrate of claim 1 wherein the benefit agent is an additive composition wherein said additive composition is a polymer dispersion selected from polyolefin dispersions, SEBS copolymer dispersions, polyisoprene dispersions, polybutadiene-styrene block copolymer dispersions, latex dispersions, polyvinyl pyrrolidone-styrene copolymer dispersions, polyvinyl alcohol-ethylene copolymer dispersions, and combinations thereof. ### Claim 5 (depends on 1) The nonwoven substrate of claim 1 wherein the enhancement component is selected from microparticles, expandable microspheres, fibers, additional polymer dispersions, scents, anti-bacterials, moisturizers, medicaments and soothers. ### Claim 6 (depends on 4) The nonwoven substrate of claim 4 further comprising an enhancement component that is added to the polymer dispersion in an amount from about 0.5% to about 30%, by weight of the dispersion. ### Claim 7 (depends on 1) The nonwoven substrate of claim 1 wherein the additive composition is a water-insoluble polyolefin copolymer selected from ethylene-acrylic acid, polyethylene-octene copolymer, and combinations thereof. ### Claim 8 (depends on 1) The nonwoven substrate of claim 1 wherein the additive composition is selected from a synthetic water-soluble polymer, a natural water-soluble polymer and mixtures thereof. ### Claim 9 (depends on 8) The nonwoven substrate of claim 8 wherein the additive composition is a synthetic water-soluble polymer selected from polyalcohols, polyamines, polyimines, polyamides, polycarboxlic acids, polyoxides, polyglycols, polyethers, polyesters, copolymers and mixtures thereof. ### Claim 10 (depends on 8) The nonwoven substrate of claim 8 wherein the additive composition is a natural water-soluble polymer selected from modified cellulose, modified starch, modified protein, chitosan, chitosan salts, carrageenan, agar, gellan gum, guar gum and combinations thereof. ### Claim 11 (depends on 1) The nonwoven substrate of claim 1 wherein the substrate exhibits improved ink coverage of at least about 25% in improving the appearance of printing on said substrate. ### Claim 12 (depends on 1) The nonwoven substrate of claim 1 wherein the substrate exhibits from about a 20% to about a 250% increase in bulk as determined by the bulk test. ### Claim 13 (depends on 4) The nonwoven substrate of claim 4 wherein a nonionic surfactant is combined with the additive composition in a ratio of about 1:2. ### Claim 14 (depends on 1) The nonwoven substrate of claim 1 wherein the substrate demonstrates an elastic strain that is able to sustain from about 25% to about 100% of an applied strain stretch before breaking. ### Claim 15 (depends on 1) The nonwoven substrate of claim 1 wherein the substrate demonstrates above about a 45% elongation at break. ### Claim 16 (depends on 1) The nonwoven substrate of claim 1 wherein the substrate is combined with a non-pre-stretched elastic film to create an elastic laminate with from about 5% to about 100% reduction in rugosities. ### Claim 17 (depends on 1) The nonwoven substrate of claim 1 further comprising from about 0.1% to about 20% of a body fluid rheological modifier. ### Claim 18 (depends on 17) The nonwoven substrate of claim 17 wherein the body fluid rheological modifier is selected from mucolytic agents wherein said mucolytic agents are selected from L-cysteine, thioglycolates, dithiotriacol and combinations thereof; mucin modifiers; red blood cell modifiers; and combinations thereof. ### Claim 19 (depends on 1) The nonwoven substrate of claim 1 further comprising an anti-adherent agent selected from about 0.01% to about 25% of at least one viscoelastant material wherein said viscoelastant material is selected from linked enzymes, alkyl polyglycosides having 8-10 carbon atoms in the alkyl chain, bovine lipid extract surfactant, dextrans, dextran derivatives and combinations thereof; at least one anti-adherent compound wherein said anti-adherent compound is selected from alginic acid, beta-benzal-butyric acid, botanicals, casein, farnesol, flavones, fucans, galactolipid, kininogen, hyaluronate, inulin, iridoid glycosides, nanoparticles, perlecan, phosphorothioate oligodeoxynucleotides, poloxamer 407, polymethylmethacrylate, silicone, sulphated exopolysaccharides, tetrachlorodecaoxide, and combinations thereof; and combinations thereof. ### Claim 20 (depends on 1) The nonwoven substrate of claim 1 further comprising from about 2 gsm to about 80 gsm of an odor control material.