Patent · US Expired

Process for separation of petroleum emulsions of the water-in-oil type

US5385674A · kind A · utility

7Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 27, 1993
Grant dateJan 31, 1995
Priority date
Expiry dateMay 27, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G33/04
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

In the process described, esterification products of an oxyalkylated primary fatty amine and 0.5 to 1.5 mol per mole of fatty amine of a simple dicarboxylic acid or of a dicarboxylic acid from the group comprising dimeric fatty acids are employed as emulsion breakers.

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