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:
Dec. 27, 2022
Filed:
Aug. 04, 2020
Applicant:
Zhangzhou Pien Tze Huang Pharmaceutical Co., Ltd., Fujian, CN;
Inventors:
Jinming Huang, Zhangzhou, CN;
Juan Yu, Zhangzhou, CN;
Jinxia Lin, Zhangzhou, CN;
Limei Yang, Zhangzhou, CN;
Jinxiang Zeng, Zhangzhou, CN;
Zhifei Fu, Shanghai, CN;
Miaorong Luo, Shanghai, CN;
Yang Zhang, Shanghai, CN;
Jian Li, Shanghai, CN;
Shuhui Chen, Shanghai, CN;
Assignee:
ZHANGZHOU PIEN TZE HUANG PHARMACEUTICAL CO., LTD., Fujian, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 403/14 (2006.01); B01J 31/02 (2006.01);
U.S. Cl.
CPC ...
C07D 403/14 (2013.01); B01J 31/0268 (2013.01);
Abstract
Provided are preparation methods for the chemical compound represented by formula (I) and an intermediate thereof.