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:
Mar. 24, 2015
Filed:
Sep. 09, 2011
Applicants:
Rongzhen Xu, Hangzhou, CN;
Fuwen Xie, Long Yan, CN;
Hongxi Lai, Long Yan, CN;
Frank Rong, Hangzhou, CN;
Inventors:
Rongzhen Xu, Hangzhou, CN;
Fuwen Xie, Long Yan, CN;
Hongxi Lai, Long Yan, CN;
Frank Rong, Hangzhou, CN;
Assignee:
Hangzhou Bensheng Pharmaceutical Co., Ltd., Hangzhou, Zhejiang, CN;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 491/056 (2006.01); A61K 31/535 (2006.01); A61K 31/4965 (2006.01); A61K 31/505 (2006.01); A61K 31/44 (2006.01); A61K 31/4738 (2006.01); C07D 491/18 (2006.01);
U.S. Cl.
CPC ...
C07D 491/056 (2013.01); A61K 31/4738 (2013.01); C07D 491/18 (2013.01);
Abstract
The present invention relates to a novel berbamine derivative of formula I or a pharmaceutically acceptable salt thereof, a process for preparation of the same, a pharmaceutical composition comprising said compound and its use in manufacture of an antitumor medicament.