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. 24, 2022
Filed:
Dec. 26, 2018
Applicant:
Crystal Pharmaceutical (Suzhou) Co., Ltd., Jiangsu, CN;
Inventors:
Minhua Chen, Suzhou, CN;
Yanfeng Zhang, Suzhou, CN;
Chaohui Yang, Suzhou, CN;
Chunxiang Huang, Suzhou, CN;
Assignee:
Crystal Pharmaceutical (Suzhou) Co., Ltd., Suzhou, CN;
Primary Examiner:
Int. Cl.
CPC ...
C07D 471/04 (2006.01);
U.S. Cl.
CPC ...
C07D 471/04 (2013.01); C07B 2200/13 (2013.01);
Abstract
A crystalline form of valbenazine ditosylate, processes for preparation thereof, a pharmaceutical composition containing the crystalline form, use of the crystalline form for preparing vesicular monoamine transporter 2 inhibitor drugs, and use of the crystalline form for preparing drugs treating tardive dyskinesia.