Patent · US Active

Emulsion breaker

US7923418B2 · kind B2 · utility

3Cited by
1References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 29, 2009
Grant dateApr 12, 2011
Priority date—
Expiry dateJul 4, 2029

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F220/281
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

This invention provides acrylate polymers having at least two different ester groups. The ester groups are selected from the following:

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