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:
Jun. 21, 2022
Filed:
Jul. 12, 2019
Applicant:
Kyowa Hakko Bio Co., Ltd., Tokyo, JP;
Inventors:
Yuta Yamaguchi, Tokyo, JP;
Hiroshi Nagano, Tokyo, JP;
Assignee:
KYOWA HAKKO BIO CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 51/43 (2006.01); C07C 59/52 (2006.01);
U.S. Cl.
CPC ...
C07C 51/43 (2013.01); C07B 2200/13 (2013.01); C07C 59/52 (2013.01);
Abstract
An object of the present invention is to provide a non-solvate crystal of eucomic acid having a low methanol content and excellent fluidity, and a method for producing the same. The present invention can provide a non-solvate crystal of eucomic acid having a low methanol content and excellent fluidity by drying a methanol solvate crystal of eucomic acid.