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:
Feb. 04, 2014
Filed:
Jul. 09, 2008
Clemens Erdelmeier, Karlsruhe, DE;
Hermann Hauer, Karlsruhe, DE;
Egon Koch, Karlsruhe, DE;
Friedrich Lang, Hagenbach, DE;
Clemens Erdelmeier, Karlsruhe, DE;
Hermann Hauer, Karlsruhe, DE;
Egon Koch, Karlsruhe, DE;
Friedrich Lang, Hagenbach, DE;
Dr. Willmar Schwabe GmbH & Co. KG, Karlsruhe, DE;
Abstract
The present invention relates to an improved multi-step method for preparing an extract from ginkgo biloba having a reduced content of 4'-O-methyl pyridoxine and/or biflavones, wherein the depletion is carried out by filtration over an adsorber resin and/or an ion exchanger and the substances to be removed are retained on the resin. The invention further relates to an extract from ginkgo biloba having a reduced content of 4′-O-methyl pyridoxine and/or biflavones, which is obtainable by the method according to the present invention, as well as to its use.