The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 26, 1988
Filed:
Nov. 17, 1986
Applicant:
Inventors:
Makoto Arai, Takasago, JP;
Hideki Fukuda, Takasago, JP;
Assignee:
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C11C / ;
U.S. Cl.
CPC ...
2604285 ;
Abstract
This invention provides a method of concentrating and separating .gamma.-linolenic acid esters and/or arachidonic acid esters characterized in that a fatty acid ester mixture containing .gamma.-linolenic acid ester and/or arachidonic acid ester is brought in contact with crystalline aluminosilicate zeolites to make adsorption and desorption. According to this invention, high purity .gamma.-linolenic acid and/or arachidonic acid ester(s) may be obtained on industrial scale.