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. 21, 2002
Filed:
Aug. 10, 1999
Applicant:
Inventors:
Pavel A. Krasutsky, Duluth, MN (US);
Robert M. Carlson, Duluth, MN (US);
Vitaliy V. Nesterenko, Duluth, MN (US);
Assignee:
Regents of the University of Minnesota, Minneapolis, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
C07J 9/00 ;
U.S. Cl.
CPC ...
C07J 9/00 ;
Abstract
The invention provides methods for separating outer birch bark from inner birch bark. The invention also provides methods for isolating betulin; lupeol; betulinic acid; 9,10-epoxy-18-hydroxyoctadecanoic acid; 9,10,18-trihydroxyoctadecanoic acid; polyphenolic polymers and fatty acids from birch bark.
Krasutsky, Pavel. (2002). Birch bark processing and the isolation of natural products from birch bark (U.S. Patent No. 6392070). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6392070
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile