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:
Jul. 04, 2006
Filed:
Jun. 15, 2004
Hiromitsu Takayama, Chiba-ken, JP;
Mariko Kitajima, Chiba-ken, JP;
Tomoko Ishizuka, Chiba-ken, JP;
Shujiro Seo, Chiba-ken, JP;
Hiromitsu Takayama, Chiba-ken, JP;
Mariko Kitajima, Chiba-ken, JP;
Tomoko Ishizuka, Chiba-ken, JP;
Shujiro Seo, Chiba-ken, JP;
Tokiwa, Phytochemical Co., Ltd., Sakura, JP;
Abstract
This invention provides an improved process for producing corosolic acid starts from ursolic acid, which occurs in plants in relatively large amounts, the method comprising the steps of oxidizing the hydroxyl group at 3-position and utilizing the carbonyl group at 3-position to introduce a hydroxyl group stereospecifically into the 3-oxoursolic acid at the 2α-position adjacent to the hydroxyl group at 3-position.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile