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:
Jun. 29, 2021
Filed:
May. 29, 2018
Cgenetech (Suzhou, China) Co., Ltd., Suzhou, CN;
Yan Hao, Suzhou, CN;
Renyan Zhang, Suzhou, CN;
Huiping Pan, Suzhou, CN;
Fuzhi Zhang, Suzhou, CN;
Shijie Yin, Suzhou, CN;
Juping Ding, Suzhou, CN;
Qiang Yu, Suzhou, CN;
CGENETECH (SUZHOU, CHINA) CO., LTD., Suzhou, CN;
Abstract
The present invention relates to a salt of a compound of formula (I), The salt is crystalline or amorphous phosphate, or crystalline or amorphous oxalate. Particularly, a crystal form B of the phosphate of the present invention has high crystallinity, low hygroscopicity and good stability, and the crystal form B of the phosphate is good in oral bioavailability, good in tolerance after long-term administration, difficult to induce hypoglycemia and good in inhibition effect on serum DPPIV.