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. 23, 2021
Filed:
Dec. 08, 2016
Applicant:
Hangzhou Solipharma Co., Ltd., Zhejiang, CN;
Inventors:
Assignee:
Hangzhou SoliPharma Co., Ltd., Zhejiang, CN;
Primary Examiner:
Int. Cl.
CPC ...
C07D 401/06 (2006.01);
U.S. Cl.
CPC ...
C07D 401/06 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention relates to novel crystal forms of tipifarnib. Compared with the prior art, the crystal forms of tipifarnib have advantages in crystallinity, hygroscopicity, morphology, form stability and chemical stability. The present invention also relates to the preparation methods of crystal forms of tipifarnib, pharmaceutical composition thereof and their use in preparation for treating and/or preventing abnormal cell growth diseases.