Patent · US Expired

Method for controlling the stability of emulsions

US7105579B2 · kind B2 · utility

15Cited by
8References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 2003
Grant dateSep 12, 2006
Priority date
Expiry dateJul 9, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2/32
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention concerns a method for controlling the stability of an emulsion comprising a hydrophobic phase dispersed in an aqueous phase, or an aqueous phase dispersed in a hydrophobic phase, and less than 4% by weight of a surfactant, said process comprising the step of using in the emulsion a block copolymer.

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