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:
Feb. 21, 2017
Filed:
Dec. 18, 2012
Applicant:
Shenzhen Chipscreen Biosciences, Ltd., Shenzhen, Guangdong, CN;
Inventors:
Xianping Lu, Shenzhen, CN;
Zhibin Li, Shenzhen, CN;
Assignee:
SHENZHEN CHIPSCREEN BIOSCIENCES, LTD., Shenzhen, Guangdong, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 213/82 (2006.01); C07D 213/04 (2006.01); C07D 213/24 (2006.01); C07D 213/54 (2006.01); C07D 213/56 (2006.01); A61K 31/4406 (2006.01);
U.S. Cl.
CPC ...
C07D 213/82 (2013.01); A61K 31/4406 (2013.01); C07D 213/04 (2013.01); C07D 213/24 (2013.01); C07D 213/54 (2013.01); C07D 213/56 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention belongs to the field of pharmaceutical chemistry, and disclosed are two crystal forms of Childamide, that is, Chidamide crystal form A and Chidamide crystal form B, and the method for preparing the new crystal forms of Chidamide. The Chidamide crystal form A and Chidamide crystal form B of the present invention can be used for preparing drugs for treating diseases related to cell differentiation and proliferation.