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:
Nov. 23, 2021
Filed:
Dec. 03, 2018
Applicant:
Qilu Pharmaceutical Co., Ltd., Shandong, CN;
Inventors:
Cheng Li, Shanghai, CN;
Zhigang Huang, Shanghai, CN;
Charles Z. Ding, Shanghai, CN;
Weidong Li, Shanghai, CN;
Assignee:
QILU PHARMACEUTICAL CO., LTD., Shandong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 471/08 (2006.01);
U.S. Cl.
CPC ...
C07D 471/08 (2013.01); C07B 2200/13 (2013.01);
Abstract
Disclosed in the present disclosure are a crystal form of a β-lactamase inhibitor and a preparation method therefor, as well as an application of the crystal form in preparing a β-lactamase inhibitor drug. (I)