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. 10, 2022
Filed:
Jan. 29, 2019
Applicant:
Medshine Discovery Inc., Jiangsu, CN;
Assignee:
Medshine Discovery Inc., Jiangsu, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 471/04 (2006.01); A61P 19/02 (2006.01);
U.S. Cl.
CPC ...
C07D 471/04 (2013.01); A61P 19/02 (2018.01); C07B 2200/13 (2013.01);
Abstract
Disclosed are a crystal form of 1H-imidazo[4,5-b]pyridine-2(3H)-one compound and a preparation process therefor, and use of the crystal form in the manufacture of a medicament for treating a disease associated with PDE4 receptor.