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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.:

US 11198686 B1

PDFFull Text
Date of Patent:
Dec. 14, 2021

Filed:

Oct. 12, 2018

Crystal form and salt form of pyridone compound and preparation method therefor

Applicants:

Guangzhou Joyo Pharmatech Co., Ltd., Guangdong, CN;

Shijiazhuang Sagacity New Drug Development Co, Ltd., Hebei, CN;

Medshine Discovery Inc., Jiangsu, CN;

Inventors:

Lei Zhang, Shanghai, CN;

Bin Chen, Shanghai, CN;

Yangguang Zhao, Shanghai, CN;

Jian Li, Shanghai, CN;

Shuhui Chen, Shanghai, CN;

Assignees:

GUANGZHOU JOYO PHARMATECH CO., LTD., Guangdong, CN;

SHLIAZHUANG SAGACITY NEW DRUG DEVELOPMENT CO., LTD., Hebei, CN;

MEDSHINE DISCOVERY INC., Jiangsu, CN;

Attorney:

Harness, Dickey & Pierce, P.L.C.

Primary Examiner:

John M Mauro

Int. Cl.
CPC ...
C07D 409/14 (2006.01); A61P 11/00 (2006.01); A61K 31/4436 (2006.01);
U.S. Cl.
CPC ...
C07D 409/14 (2013.01); A61P 11/00 (2018.01); C07B 2200/13 (2013.01);
Abstract

A crystal form of a compound 1 and a method for preparing the same, further comprising an application of the crystal form in the preparation of a drug for treating diseases associated with fibrosis.

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Zhang, Lei. (2021). Crystal form and salt form of pyridone compound and preparation method therefor (U.S. Patent No. 11198686). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11198686

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