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. 01, 2012
Filed:
Mar. 05, 2010
Min-wen Kuo, Taipei, TW;
Yung-hsu Chan, Taipei, TW;
Yun-long Tseng, Taipei, TW;
Siong-tern Liew, San Francisco, CA (US);
Keelung Hong, San Francisco, CA (US);
Min-Wen Kuo, Taipei, TW;
Yung-Hsu Chan, Taipei, TW;
Yun-Long Tseng, Taipei, TW;
Siong-Tern Liew, San Francisco, CA (US);
Keelung Hong, San Francisco, CA (US);
Taiwan Liposome Co., Ltd., Taipei, TW;
TLC Biopharmaceuticals, Inc., San Francisco, CA (US);
Abstract
The present invention provides two new camptothecin derivatives, which were identified as S,R- and S,S-topotecan lactates, respectively. Both compounds have anticancer activities. Pharmaceutical compositions of the new camptothecin derivatives, and cancer therapies with the new camptothecin derivatives or their pharmaceutical compositions were also provided.