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. 08, 1991
Filed:
Jun. 30, 1988
Applicant:
Inventors:
Bernd-Rainer Gunther, Bergheim, DE;
Rainer Losch, Bonn, DE;
Assignee:
A. Nattermann & CIE GmbH, Cologne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11C / ; C11B / ; C11B / ;
U.S. Cl.
CPC ...
260403 ; 558146 ;
Abstract
A process for isolating a phosphatidylcholine from vegetable lipid mixtures wherein the lipid mixture is dissolved in a solvent mixture of a low boiling petroleum ether fraction (40.degree.-80.degree. C.), a lower C.sub.1 -C.sub.4 -alkanol and water, the solution is introduced into a column filled with silica gel at a temperature in the range of 20.degree. to 50.degree. C., the elution is carried out at that temperature with the same solvent mixture and the main run is collected and a pure phosphatidylcholine free of other phospholipids present in the starting vegetable lipid mixture is isolated therefrom in a usual manner.