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:
Aug. 15, 1989
Filed:
May. 26, 1987
Bernd-Rainer Gunther, Bergheim, DE;
A. Nattermann & Cie GmbH, , DE;
Abstract
A process for isolating phosphatidylcholine free of lysophospholipid from egg powder wherein the egg powder is treated with a solvent mixture of a low boiling petroleum ether fraction (40.degree. to 80.degree. C.), a lower C.sub.1 -C.sub.4 -alkanol and water, the undissolved material is separated from the solution phase, the solution phase is given onto a column filled with silica gel at a temperature in the range from 20.degree. to 50.degree. C., the elution is carried out at that temperature with the same solvent mixture, the main run is collected and the dissolved phosphatidylcholine is isolated therefrom as usual.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile