# US 7,608,575 B2 · Fabric care compositions and systems comprising organosilicon microemulsions and methods employing same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,608,575 B2 - Document ID: US7608575B2 - Status: Granted - Kind: B2 - Application number: 11/584,972 - Filed: 2006-10-23 - Published: 2007-04-26 - Granted: 2009-10-27 - Earliest claimed: 2005-10-24 - Assignees: The Procter & Gamble Company - Inventors: Rajan Keshav Panandiker; Kerry Andrew Vetter; Freddy Arthur Barnabas; Patrick Firmin August Delplancke - Web page: https://patentgrep.com/patent/US7608575B2 ## CPC - C11D 3/3738: {Alkoxylated silicones} - C11D 3/373: {containing silicones} - C11D 3/3742: {Nitrogen containing silicones} - C11D 17/0021: {Aqueous microemulsions} - C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL ## Abstract Systems, compositions and methods for fabric laundering comprising selected organosilicones which are formulated into microemulsions for improved deposition onto fabrics to provide fabric care benefits. ## Claims ### Claim 1 A liquid detergent composition for fabric cleaning and fabric care comprising: (a) an organosilicone; (b) an emulsifier comprising anionic surfactant; (c) other laundry adjunct materials including at least one optical brightener; and (d) a carrier comprising water; wherein the organosilicone is in the form of aqueous microemulsion having an average particle size less than about 100 nm; the detergent composition has a viscosity of from about 1 to about 2000 mPa*s; and the organosilicone has a HLB value of about 2 to about 7, wherein the organosilicone has the formula: wherein Q is NH2 or —NHCH2CH2NH2; R is H or C1-C6 alkyl; r is from 1 to 1000; m is from 4 to 40,000; n is from 3 to 35,000; and p and q are integers independently selected from 2 to 30. ### Claim 2 (depends on 1) The composition according to claim 1 wherein the anionic surfactant is selected from the group consisting of C11-C18 alkyl benzene sulfonates (LAS), C10-C20 branched-chain and random alkyl sulfates (AS), C10-C18 alkyl ethoxy sulfates (AExS) wherein x is from 1-30, mid-chain branched alkyl sulfates, mid-chain branched alkyl alkoxy sulfates, C10-C18 alkyl alkoxy carboxylates comprising 1-5 ethoxy units, modified alkylbenzene sulfonate (MLAS), C12-C20 methyl ester sulfonate (MES), C10-C18 alpha-olefin sulfonate (AOS), C6-C20 sulfosuccinates, and mixtures thereof. ### Claim 3 (depends on 2) The composition according to claim 2 wherein the emulsifier further comprises a nonionic surfactant selected from the group consisting of C9-C18 alkyl ethoxylates, C6-C12 alkyl phenol alkoxylates, C12-C18 alcohol and C6-C12 alkyl phenol condensates with ethylene oxide/propylene oxide block polymers, C14-C22 mid-chain branched alcohols, C14-C22 mid-chain branched alkyl alkoxylates, alkylpolyglycosides, polyhydroxy fatty acid amides, ether capped poly(oxyalkylated)alcohols, fatty acid (C12-18) sorbitan esters, and mixtures thereof. ### Claim 4 (depends on 2) The composition according to claim 2 wherein the anionic surfactant is selected from the group consisting of C11-C18 alkyl benzene sulfonates (LAS), C10-C18 alkyl ethoxy sulfates (AExS) wherein x is from 1-30, and mixtures thereof. ### Claim 5 (depends on 1) The composition according to claim 1 optionally comprising an additional laundry adjunct material selected from the group consisting of: a stabilizer; a nitrogen-free nonionic surfactant; a nitrogen-containing detersive surfactant; a coupling agent; a perfume; a scavenger agent; a fabric softener; a detersive enzyme; a bleach system; a chelant; a solvent system; an effervescent system; and mixtures thereof. ### Claim 6 A composition comprising: from about 0.01 to about 10% by weight of the composition of organosilicone; from about 0.05 to about 15% by weight of the composition of anionic surfactant; from about 0.0001 to about 20% by weight of the composition of one or more laundry adjunct material including at least one optical brightener; and the balance of water; wherein the organosilicone is emulsified to an average particle size of from about 1 nm to about 500 nm, and the composition has a viscosity of from about 1 to about 500 mPa*s and is transparent, wherein the organosilicone has the formula: wherein Q is NH2 or —NHCH2CH2NH2; R is H or C1-C6 alkyl; r is from 1 to 1000; m is from 4 to 40,000; n is from 3 to 35,000; and p and q are integers independently selected from 2 to 30. ### Claim 7 (depends on 6) The composition according to claim 6 optionally comprising an additional laundry adjunct material selected from the group consisting of stabilizers, nonionic surfactants, nitrogen-containing surfactants, bleaches, enzymes, perfumes, scavenger agents, and mixtures thereof. ### Claim 8 (depends on 1) A method for treating a substrate in need of treatment comprising contacting the substrate with a fabric care composition according to claim 1 such that the substrate is treated. ### Claim 9 (depends on 6) A method for treating a substrate in need of treatment comprising contacting the substrate with a fabric care composition according to claim 6 such that the substrate is treated. ### Claim 10 (depends on 1) A treated substrate made by contracting the substrate with the composition of claim 1. ### Claim 11 (depends on 6) A treated substrate made by contacting the substrate with the composition of claim 6. ### Claim 12 A method for producing a composition containing organosilicone microemulsions comprising the steps of: a) premixing an organosilicone, an emulsifier comprising anionic surfactant and water to produce a microemulsion premix; b) mixing the premix from a) with one or more cleaning adjunct materials including at least one optical brightener, wherein the organosilicone has the formula: wherein Q is NH2 or —NHCH2CH2NH2; R is H or C1-C6 alkyl; r is from 1 to 1000; m is from 4 to 40,000; n is from 3 to 35,000; and p and q are integers independently selected from 2 to 30.