Fabric softening laundry detergent

• US 7,994,112 B2
• Filed: 01/26/2009
• Issued: 08/09/2011
• Est. Priority Date: 01/26/2009
• Status: Expired due to Fees

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: De Buzzaccarini, Francesco, Depoortere, Johan, Depoot, Karel Jozef Maria, Vetter, Kerry Andrew, Panandiker, Rajan Keshav, Vanpachtenbeke, Tim Roger Michel
• Primary Examiner(s): Mruk; Brian P
• Application Number:
  US12/359,668
• Publication Number:
  US 20100190679A1
• Time in Patent Office: 925 Days
• Field of Search: 510/276, 510/329, 510/340, 510/343, 510/346, 510/351, 510/426, 510/437, 510/475, 510/481, 510/492, 510/504, 813/7
• US Class Current: 510/475
• CPC Class Codes: C11D 3/0015 liquid
• CPC Class Codes: C11D 3/046 Salts
• CPC Class Codes: C11D 3/3796 Amphoteric polymers or zwitterionic polymers

Abstract

Aqueous laundry detergent compositions containing surfactants and fatty acid, having a pH of from about 6 to about 11 and containing a polymer having a number average molecular weight of from about 700,000 to about 4,000,000 and comprising monomeric units including: nonionic monomers selected from acrylamide, N,N-dialkyl acrylamide, methacrylamide, N,N-dialkylmethacrylamide, hydroxyalkyl acrylate and vinyl pyrrolidone, vinyl acetate, vinyl alcohol, and mixtures thereof; cationic monomers selected from N,N-dialkylaminoalkyl methacrylate, N,N-dialkylaminoalkyl acrylate, N,N-dialkylaminoalkyl acrylamide, N,N-dialkylaminoalkylmethacrylamide, methacylamidoalkyl trialkylammonium chloride, acrylamidoalkylltrialkylammonium chloride, vinylamine, quaternized vinyl imidazole and diallyl dialkyl ammonium chloride, and mixtures thereof; and anionic monomers selected from acrylic acid, methacrylic acid, maleic acid, vinyl sulfonic acid, styrene sulfonic acid, acrylamidopropylmethane sulfonic acid (AMPS), salts thereof, and mixtures thereof; in a specified mole ratio.

Claims

1. A laundry detergent composition comprising from about 10% to about 90% water and having a pH of from about 6 to about 11, wherein the composition further comprises:

iii) from about 0.05% to about 2%, by weight of the composition, of a polymer having a number average molecular weight of from 700,000 to 4,000,000 and comprising monomeric units, wherein the monomeric units are derived from monomers, said monomers comprising;

i) at least 70%, by mole, of acrylamide;

ii) from about 3% to about 30%, by mole, of [(3-methylacrylamido) propyl] trimethylammonium chloride;

iii) from about 1% to about 20%, by mole, of acrylic acid; and

iv) optionally from 0% to about 10%, by mole, of methacrylic acid;

wherein the mole ratio of the monomers, according to the following equation,

3. A laundry detergent composition according to claim 1 wherein the mole ratio is from 0.35 to 0.6.

4. A laundry detergent composition according to claim 1 wherein the detergent composition further comprises a fatty acid crystal modifier.

5. A laundry detergent composition according to claim 4 wherein the fatty acid crystal modifier is selected from:

a) from about 5% to about 25%, by weight of the composition of sodium alkyl ethoxysulfate;

b) from about 0.1% to about 10% of a quaternary ammonium surfactant having the formula

6. A laundry detergent composition according to claim 1 wherein the composition further comprises a water insoluble fabric care benefit agent selected from dispersible polyolefins, polymer latexes, organosilicones, perfume or other active microcapsules, and mixtures thereof.

7. A laundry detergent composition according to claim 6 wherein the organosilicones are selected from polydimethylsiloxanes, aminosilicones, amidosilicones, silicone polyethers, alkylsilicones, phenyl silicones, quaternary silicones and mixtures thereof.

9. A laundry composition according to claim 1 wherein the composition further comprises from about 0.02% to about 0.5%, by weight of the composition, of a pearlescent agent having an average particle size of from 0.1 μ

m to 50 μ

m and is selected from mica, metal oxide coated mica, bismuth oxychloride coated mica, bismuth oxychloride, glass, metal oxide coated glass, ethylene glycol distearate, fish scales, and mixtures thereof.

2. A laundry detergent composition comprising from about 5% to about 90%, by weight of the composition, of water and having a pH of from about 6 to about 11, wherein the composition further comprises:

a) from about 0.02% to about 2%, by weight of the composition, of a polymer having a number average molecular weight of from about 700,000 to about 4,000,000 and comprising monomeric units, wherein the monomeric units are derived from monomers, said monomers comprising;

i) at least 50%, by mole, of nonionic monomers selected from acrylamide, N,N-dialkyl acrylamide, methacrylamide, N,N-dialkylmethacrylamide, hydroxyalkyl acrylate and vinyl pyrrolidone, vinyl acetate, vinyl alcohol, and mixtures thereof;

ii) from about 3% to about 30%, by mole, of cationic monomer, wherein the cationic monomer is 3-methacrylamidopropyltrimethyl ammonium chloride;

iii. from about 1% to about 20%, by mole, of anionic monomers selected from acrylic acid, methacrylic acid, maleic acid, vinyl sulfonic acid, styrene sulfonic acid, acrylamidopropylmethane sulfonic acid (AMPS), salts thereof, and mixtures thereof;

wherein the overall mole ratio of the monomers, according to the following equation,

8. A laundry detergent composition comprising from about 5% to about 90%, by weight of the composition, of water and having a pH of from about 6 to about 11, wherein the composition further comprises:

a) from about 0.02% to about 2%, by weight of the composition, of a polymer having a number average molecular weight of from about 700,000 to about 4,000,000 and comprising monomeric units, wherein the monomeric units are derived from monomers, said monomers comprising;

i) at least 50%, by mole, of nonionic monomers selected from acrylamide, N,N-dialkyl acrylamide, methacrylamide, N,N-dialkylmethacrylamide, hydroxyalkyl acrylate and vinyl pyrrolidone, vinyl acetate, vinyl alcohol, and mixtures thereof;

ii) from about 3% to about 30%, by mole, of cationic monomers selected from N,N-dialkylaminoalkyl methacrylate, N,N-dialkylaminoalkyl acrylate, N,N-dialkylaminoalkyl acrylamide, N,N-dialkylaminoalkylmethacrylamide, methacrylamidoalkyl trialkylammonium chloride, acrylamidoalkylltrialkylammonium chloride, vinylamine, quaternized vinyl imidazole and diallyl dialkyl ammonium chloride, and mixtures thereof;

iii) from about 1% to about 20%, by mole, of anionic monomers selected from acrylic acid, methacrylic acid, maleic acid, vinyl sulfonic acid, styrene sulfonic acid, acrylamidopropylmethane sulfonic acid (AMPS), salts thereof, and mixtures thereof;

wherein the overall mole ratio of the monomers, according to the following equation,