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:
Apr. 03, 2001
Filed:
Jan. 07, 1999
Applicant:
Inventors:
Assignee:
Hauser, Inc., Boulder, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 3/578 ; A23F 3/34 ; A23F 3/36 ;
U.S. Cl.
CPC ...
A61K 3/578 ; A23F 3/34 ; A23F 3/36 ;
Abstract
The process of the present invention relates to the isolation and purification of caffeine-free mixtures catechins from various different biomass sources, preferably from green tea leaves. More particularly, the present invention relates to a four-step process whereby highly pure, caffeine-free EGCG is isolated in high yields. These catechins may be used in pharmaceutical, nutraceutical and cosmetic products.