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:
Apr. 13, 1976
Filed:
Nov. 30, 1973
Applicant:
Inventors:
Helmut Singer, Mainz-Gonsenheim, DT;
Werner Stein, Erkrath-Unterbach, DT;
Assignee:
Henkel & Cie G.m.b.H., Dusseldorf-Holthausen, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11C / ; C11C / ; C09F / ; C08H / ;
U.S. Cl.
CPC ...
260419 ; 260 975 ; 260407 ;
Abstract
A method for the purification of mixtures of fatty acids or fatty acid esters containing polyunsaturated components by heating the mixture in the presence of an organic macroporous, acid ion exchange resin having a specific surface area of at least 35 m.sup.2 /gm and devoid of gel characteristics, and then separating the purified mixture by distillation. The method is especially useful for the production of oleic acid which is relatively free of linoleic acid.