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:
Aug. 17, 2021
Filed:
Aug. 29, 2018
Applicant:
Enzychem Lifesciences Corporation, Daejeon, KR;
Inventors:
Jae Young Lee, Yongin-si, KR;
Jong Soo Lee, Wonju-si, KR;
Byung Kyu Kang, Jecheon-si, KR;
Sang Oh Lee, Daejeon, KR;
Byouong Woo Lee, Jecheon-si, KR;
Dae Myoung Yun, Wonju-si, KR;
Jae Hun Bang, Daegu, KR;
Choi Kyung Seok, Seoul, KR;
Assignee:
ENZYCHEM LIFESCIENCES CORPORATION, Daejeon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 49/10 (2006.01); C07D 257/02 (2006.01); C07F 5/00 (2006.01);
U.S. Cl.
CPC ...
C07D 257/02 (2013.01); A61K 49/108 (2013.01); C07B 2200/13 (2013.01);
Abstract
Disclosed are: an intermediate capable of high-purity synthesis of gadobutrol which can be used as an MRI contrast agent; and a gadobutrol production method using same. The gadobutrol intermediate is represented by Chemical Formula 2 in the specification.