Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – Specific organic component
Reexamination Certificate
2011-08-09
2011-08-09
Mruk, Brian P (Department: 1761)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
Specific organic component
C510S276000, C510S329000, C510S340000, C510S343000, C510S346000, C510S351000, C510S426000, C510S437000, C510S481000, C510S492000, C510S504000, C008S137000
Reexamination Certificate
active
07994112
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.
REFERENCES:
patent: 6949498 (2005-09-01), Murphy et al.
patent: 0 522 756 (1992-06-01), None
patent: 1 847 172 (2006-07-01), None
patent: 1 767 554 (2006-12-01), None
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International Search Report, 12 Pages, May 19, 2009.
de Buzzaccarini Francesco
Depoortere Johan
Depoot Karel Jozef Maria
Panandiker Rajan Keshav
Vanpachtenbeke Tim Roger Michel
Krasovec Melissa G
Lewis Leonard W.
McConihay Julie
Mruk Brian P
Procter & Gamble Comany
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