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:
Dec. 15, 2020
Filed:
Jan. 02, 2018
Applicant:
Yonsung Fine Chemical Co., Ltd., Hwaseong-si, KR;
Inventors:
Hyoseon Lee, Bucheon-si, KR;
Hyunik Shin, Suwon-si, KR;
Keeyoung Lee, Seoul, KR;
Changyoung Oh, Seongnam-si, KR;
Assignee:
YONSUNG FINE CHEMICAL CO.. LTD., Hwaseong-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 493/04 (2006.01); C07D 309/10 (2006.01);
U.S. Cl.
CPC ...
C07D 493/04 (2013.01); C07D 309/10 (2013.01);
Abstract
The present invention relates to a process for preparing an intermediate for the preparation of eribulin mesylate with high yields, and an intermediate therefor.