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:
Nov. 16, 2021

Filed:

May. 31, 2018
Applicants:

Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, CN;

Fukang (Shanghai) Health Technology Co., Ltd., Shanghai, CN;

Inventors:

Chunhao Yang, Shanghai, CN;

Zehong Miao, Shanghai, CN;

Cun Tan, Shanghai, CN;

Xiajuan Huan, Shanghai, CN;

Jian Ding, Shanghai, CN;

Yi Chen, Shanghai, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/84 (2006.01);
U.S. Cl.
CPC ...
C07D 307/84 (2013.01); C07B 2200/13 (2013.01);
Abstract

Disclosed are a 2-[4-(methylaminomethyl)phenyl]-5-fluoro-benzofuran-7-carboxamide hydrochloride polymorph, a preparation method therefor and an application thereof. Specifically, disclosed are three crystalline forms, i.e., crystalline forms A, B, and C, of 2-[4-(methylaminomethyl)phenyl]-5-fluoro-benzofuran-7-carboxamide hydrochloride (formula I), preparation methods for the three crystalline forms, and use of the three crystalline forms in preparation of drugs.


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