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.

Date of Patent:
Oct. 19, 2021

Filed:

Oct. 11, 2018
Applicant:

Crystal Pharmaceutical (Suzhou) Co., Ltd., Jiangsu, CN;

Inventors:

Minhua Chen, Suzhou, CN;

Yanfeng Zhang, Suzhou, CN;

Xiaoting Zhai, Suzhou, CN;

Xiaoyu Zhang, Suzhou, CN;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 209/52 (2006.01);
U.S. Cl.
CPC ...
C07D 209/52 (2013.01); C07B 2200/13 (2013.01);
Abstract

The present disclosure relates to a crystalline form of compound I and processes for preparation thereof. The present disclosure also relates to a pharmaceutical composition containing the crystalline form, use of the crystalline form for preparing serotonin, norepinephrine and dopamine triple reuptake inhibitors drugs, and/or use of the crystalline form for preparing drugs treating nervous system disorders. The crystalline form of the present disclosure has one or more improved properties compared with prior art and has significant values for future drug optimization and development.


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