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:
Oct. 21, 2025
Filed:
Sep. 10, 2020
Applicant:
Daewoong Pharmaceutical Co., Ltd., Hwaseong-si, KR;
Inventors:
Zhining Huang, Guangdong, CN;
Weiping Ye, Guangdong, CN;
Zhangtao Zhou, Guangdong, CN;
Junjing Wang, Guangdong, CN;
Heekyoon Yoon, Cheongju-si, KR;
Ji-Soo Choi, Seoul, KR;
Assignee:
DAEWOONG PHARMACEUTICAL CO., LTD., Hwaseong-si, KR;
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/79 (2006.01);
U.S. Cl.
CPC ...
C07D 307/79 (2013.01);
Abstract
A method for preparing compound 1 and compound 2 having a structure as shown below, the method includes the following steps: