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. 25, 2007
Filed:
Jan. 15, 2003
Applicants:
Li-xi Yang, San Francisco, CA (US);
Xiando Pan, Beijing, CN;
Huijan Wang, San Francisco, CA (US);
Inventors:
Assignees:
Catholic Healthcare West, San Francisco, CA (US);
California Pacific Medical Center, San Francisco, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/435 (2005.12); C07D 491/22 (2005.12);
U.S. Cl.
CPC ...
Abstract
(20S) esters of camptothecin analogs are provided. The compounds are (20S) esters of an oxyalkanoic acid and camptothecin, whichisareoptionally substituted at the 7, 9, 10, 11, and 12 positions of the camptothecin ring. The compounds are useful for treating cancer.