C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
260/468, 260/480
C11D 3/26 (2006.01) C07D 207/08 (2006.01) C08G 65/04 (2006.01) C08G 65/26 (2006.01) C08G 65/334 (2006.01) C11D 3/00 (2006.01) C11D 3/37 (2006.01)
Patent
CA 1215064
ZWITTERIONIC POLYMERS HAVING CLAY SOIL REMOVAL/ANTI-REDEPOSITION PROPERTIES USEFUL IN DETERGENT COMPOSITIONS ABSTRACT Water-soluble zwitterionic polymers having clay soil removal/ anti-redeposition properties, which comprise a polymer backbone, at least 2 M groups and at least one L-X group, wherein M is a cationic group attached to or integral with the backbone and contains an N+ positively charged center; X is an anionic group or a mixture of anionic and nonionic groups; and L is a hydrophilic chain connecting groups M and X or connecting X to the polymer backbone. L also contains the polyoxyalkylene moiety -[(R'O)m(CH2CH2O)n]-, wherein R' is C3-C4 alkylene or hydroxyalky- lene, m and n are numbers such that the moiety -(CH2CH2O)n- comprises at least about 50% by weight of said polyoxyalkylene moiety, and n is at least about 3. These zwitterionic polymers are useful in detergent compositions at from about 0.05 to about 95% by weight. In addition to the polymer, the detergent com- positions further comprise from about 1 to about 75% by weight of a nonionic, anionic, ampholytic, zwitterionic, or cationic de- tergent surfactant or mixture thereof.
444156
Kirby Eades Gale Baker
The Procter & Gamble Company
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