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. 22, 2023
Filed:
Aug. 12, 2019
Applicant:
Oscotec Inc., Seongnam-si, KR;
Inventors:
Jung-Ho Kim, Seongnam-si, KR;
Jang-Sik Choi, Seongnam-si, KR;
Hee Kyu Lee, Seongnam-si, KR;
Song-eun Park, Seongnam-si, KR;
Dong-Sik Jung, Seongnam-si, KR;
Yung-Geun Choi, Seongnam-si, KR;
Jong-Sung Koh, Seongnam-si, KR;
Se-Won Kim, Seongnam-si, KR;
Jaekyoo Lee, Seongnam-si, KR;
Assignee:
OSCOTEC INC., Seongnam-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 471/04 (2006.01);
U.S. Cl.
CPC ...
C07D 471/04 (2013.01); C07B 2200/13 (2013.01);
Abstract
An embodiment relates to a crystal polymorph of 8-bromo-2-(1-methylpiperidin-4-ylamino)-4-(4-phenoxyphenylamino)pyrido [4,3-d]pyrimidin-5(6H)-one hydrochloride which can effectively suppress FLT3 and has excellent stability even in a high temperature and humid environment, and a method for preparing same.