Patent · US Expired

Process for preparing purified fatty acids

US7560579B2 · kind B2 · utility

9Cited by
6References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 5, 2004
Grant dateJul 14, 2009
Priority date
Expiry dateJul 5, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11C3/10
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to a process for preparing fatty acids derived from oils and/pr fats with a phosphorus content below 200 ppm in good yield and with good color and color stability, which process comprises the steps of (A) hydrolytic splitting of degummed oils and/or fats, (B) at least one thermal pre-treatment of a composition comprising crude fatty acids, and (C) high vacuum distillation of the thermally pre-treated composition comprising crude fatty acids.

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