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:
Apr. 14, 2015
Filed:
Jan. 18, 2012
Applicants:
Geun Gho Lim, Seoul, KR;
Sun Ki Chang, Gyeonggi-do, KR;
Chang Ho Byeon, Gyeonggi-do, KR;
Inventors:
Assignee:
ST Pharm Co., Ltd., Siheung-si, KR;
Primary Examiner:
Int. Cl.
CPC ...
C07D 471/00 (2006.01); C07D 487/00 (2006.01); C07D 491/00 (2006.01); C07D 495/00 (2006.01); C07D 497/00 (2006.01); C07D 487/04 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01);
Abstract
The present invention provides a method which enables the simple, economical and high-yield production which is a key intermediate of antidiabetic drug Januvia.