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:
Jun. 15, 1993
Filed:
Dec. 20, 1991
Applicant:
Inventor:
Kiyoshi Akiyama, Komatsu, JP;
Assignee:
Ohgen Research Laboratories, Ltd., Ishikawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07H / ; C07C / ;
U.S. Cl.
CPC ...
536187 ; 514629 ; 514630 ; 514676 ;
Abstract
Deacetylcolchicine derivatives represented by the formula ##STR1## wherein R denotes a residue obtained by removing COOH from a C.sub.3 -C.sub.7 sugar carboxylic acid, and a hydroxyl group present in the residue may properly be protected with a protecting group of the hydroxyl group. Said deacetylcolchicine derivatives have less toxicity and strong effect for inhibiting proliferation of tumor cells, and are expected to be used as an antitumor agent.
Quick Actions:
Akiyama, Kiyoshi. (1993). Deacetylcolchicine derivatives (U.S. Patent No. 5220002). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5220002
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile