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US 5,183,601 AGranted
Detergent composition containing polyethylenimine co-polymer
AssigneeKao Corporation
InventorsYasuhiro Jisai, Yukiomi Tanaka, Akira Shigeta
Life of this patent
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Abstract
A detergent composition comprising: (1) a surface active agent or a water-soluble polymeric compound and (2) a polymer which contains recurring units (I-1) and (I-2). ##STR1## wherein R.sup.1 is a hydrogen or a methyl or ethyl group, R.sup.2 represents an alkyl, aryl or aralkyl group having 4-15 carbon atoms. The detergent composition exhibits extremely reduced irritation to the skin and the hair, possesses outstanding detergency and foaming and foam-breaking capability, and imparts an excellent feeling upon use.
Claims16
A detergent composition comprising:
- (A) a polymeric compound comprising recurring units (I-1) and I-2) at a ratio by weight of 9:1-1:9, ##STR29## wherein R.sup.1 is a hydrogen or a methyl or ethyl group, R.sup.2 represents an alkyl, aryl or aralkyl group having 4-15 carbon atoms, and
- (B) at least one different compound selected from the group consisting of monomeric anionic surface active agents, monomeric nonionic surface active agents, monomeric amphoteric surface active agents, monomeric cationic surface active agents,
- wherein the weight ratio of component (A) to component (B) is form 5/1 to 1/5.
Dependencies are inferred from the claim text.