Patent ID: 8501865

Claim:
An aqueous personal care composition, comprising: (I) water (II) a pH responsive polymer comprising, based on the total weight of monomeric units, (a) from about 25 to about 70 percent by weight acid monomeric units, each independently comprising a carboxylic acid-functional substituent group, (b) from about 30 to about 70 percent by weight nonionic monomeric units, each independently comprising a nonionic substituent group, and (c) from about 0.05 to about 20 percent by weight hydrophobic monomeric units, each independently comprising a functional group according structure (I): —R 13 R 12 —R 11 (I) wherein: R 11 is bicyclo[d.e.f]heptyl or bicyclo[d.e.f]heptenyl, wherein d is 2, 3, or 4, e is 1 or 2, f is 0 or 1, and the sum of d+e+f=5, and which may, optionally, be substituted on one or more of the ring carbon atoms by one or more (C 1 -C 6 )alkyl groups, R 12 is absent, —OC v H 2v —, or —O—CH(R 16 )—CH(R 17 )—O—, wherein v is an integer of from 1 to 6, and R 14 , R 15 , R 16 , and R 17 are each independently H or (C 1 -C 6 )alkyl, R 13 a bivalent polyoxyalkylene group according to structure (VIII): wherein: p′ is 2 or 3 and q is 2 or 3, provided that p′ is not equal to q, each r is independently an integer from 1 to about 50, each s is independently an integer from 1 to about 50, and t is 1, and (III) at least one personal care benefit agent.