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:
May. 29, 2001
Filed:
Apr. 15, 1999
Applicant:
Inventor:
Heinz Walter Joseph, Berg, DE;
Assignee:
Bionorica Arzneimittel GmbH, Neumarkt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 3/578 ; A61K 3/105 ; A01N 3/108 ;
U.S. Cl.
CPC ...
A61K 3/578 ; A61K 3/105 ; A01N 3/108 ;
Abstract
A method of preparing an extract fraction of,L by preparing an aqueous ethanolic extract of,L, concentrating the extract to a predetermined degree by evaporation thus forming a precipitate and a supernatant, repeating the concentrating and separating steps at least once with the supernatant, optionally redissolving the separated precipitate obtained in a previous step and obtaining a product extract of,L from one of the supernatant or the precipitate of the step wherein the precipitate and supernatant are formed or the redissolved precipitate of the proceeding step.