Water-in-oil emulsions with anionic groups, compositions,...

Details Water-in-oil emulsions with anionic groups, compositions,... Water-in-oil emulsions with anionic groups, compositions,...

2005-10-04

2005-10-04

Padmanabhan, Sreeni (Department: 1617)

Drug, bio-affecting and body treating compositions

Solid synthetic organic polymer as designated organic active...

Aftertreated polymer

C424S401000, C514S844000, C514S845000, C514S846000, C514S847000, C514S848000, C514S938000, C514S772100, C528S299000

Reexamination Certificate

active

06951642

ABSTRACT:
Water-in-oil emulsions, compositions, and methods that include a vinyl polymer having a pKa of less than 4 that includes anionic group-containing side chains and alkyl-Y-containing side chains, wherein Y is O or NR, wherein R is hydrogen or methyl, and wherein the alkyl group of the alkyl-Y-containing side chain has at least 4 carbon atoms on average in a cyclic, branched-, or straight-chain configuration and optionally including one or more heteroatoms.

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