Patent · US Expired

Water-in-oil emulsions with ethylene oxide groups, compositions, and methods

US7030203B2 · kind B2 · utility

32Cited by
19References
66Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 28, 2001
Grant dateApr 18, 2006
Priority date
Expiry dateNov 27, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L33/066
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Water-in-oil emulsions, compositions, and methods that include a vinyl polymer that includes ethylene oxide-containing side chains and alkyl-Y-containing side chains, wherein Y is O or NR, wherein R is H or CH3, 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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.