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. 24, 2004
Filed:
Aug. 30, 2001
Applicant:
Inventors:
David T. Bailey, Boulder, CO (US);
Delano R. Freeberg, Coralville, IA (US);
Dennis Gertenbach, Boulder, CO (US);
Gerald T. Gourdin, Boulder, CO (US);
Steven L. Richheimer, Westminster, CO (US);
Michael S. Tempesta, EL Granada, CA (US);
F. Joseph Daugherty, Omaha, NE (US);
Assignee:
Hauser, Inc., El Segundo, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 3/578 ; A61K 3/170 ; C07H 1/700 ; C07D / ;
U.S. Cl.
CPC ...
A61K 3/578 ; A61K 3/170 ; C07H 1/700 ; C07D / ;
Abstract
This invention includes both a one-column process and a two-column process for the preparation of compositions enriched for anthocyanins from a crude plant extract. Both processes include a novel column purification step using a brominated polystyrene resin. This invention also includes extracts enriched for anthocyanins.