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:
Nov. 25, 1980
Filed:
Apr. 24, 1978
Applicant:
Inventor:
Hans Betzing, Horrem, DE;
Assignee:
A. Nattermann & Cie. GmbH, Cologne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A23J / ; C07F / ; C11C / ;
U.S. Cl.
CPC ...
260403 ; 2604124 ; 2604128 ; 2604285 ;
Abstract
An improved process for obtaining highly purified phosphatidylcholines (lecithin) including a high content of essential fatty acids is disclosed. Raw lecithins are first extracted with a lower alcohol of 1 to 3 carbon atoms. The resulting two phases are separated and the alcohol-rich upper phase is treated with an aluminum oxide adsorbent. Elution of the adsorbent with an alcohol (as in known processes) results in an oily phosphatidylcholine, free of cephalin and inositol phosphatides but possessing a high content of essential fatty acids.