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:
Jan. 16, 2024
Filed:
Jul. 21, 2022
Applicants:
Changzhou Syntheall Pharmaceuticals Co., Ltd., Jiangsu, CN;
Shanghai Sta Pharmaceutical R&d Co., Ltd., Shanghai, CN;
Inventors:
Hu Cheng, Jiangsu, CN;
Chenchen Hu, Shanghai, CN;
Jiaxin Song, Jiangsu, CN;
Yang Liu, Jiangsu, CN;
Tingting Qian, Jiangsu, CN;
Xianzhe Wang, Jiangsu, CN;
Jimin Yang, Jiangsu, CN;
Assignees:
CHANGZHOU SYNTHEALL PHARMACEUTICALS CO., LTD., Changzhou, CN;
SHANGHAI STA PHARMACEUTICAL R&D CO., LTD., Shanghai, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H 21/00 (2006.01);
U.S. Cl.
CPC ...
C07H 21/00 (2013.01);
Abstract
Disclosed is a composition comprising dichloroacetic acid, a process for preparing the same and a use thereof. It has been discovered that the novel impurity is glyoxylic acid, and glyoxylic acid in dichloroacetic acid can be detected and its concentration accurately measured, by ion chromatography method.