Patent · US Expired

Emulsion containing an oppositely-charged surfactant and polymer and the production method thereof

US7521482B2 · kind B2 · utility

1Cited by
8References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 22, 2002
Grant dateApr 21, 2009
Priority date
Expiry dateJun 5, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K23/017
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An emulsion is optimized in that it is stabilized by the presence of a surfactant specifically selected according to the type of a polymer, or copolymer, also present in the emulsion. The surfactant and the polymer are selected oppositely charged.

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