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:
Mar. 04, 2025
Filed:
Dec. 18, 2020
Applicant:
Otsuka Chemical Co., Ltd., Osaka, JP;
Inventors:
Assignee:
OTSUKA CHEMICAL CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 243/38 (2006.01); B60C 1/00 (2006.01); C08K 5/25 (2006.01);
U.S. Cl.
CPC ...
C07C 243/38 (2013.01); B60C 1/00 (2013.01); C08K 5/25 (2013.01); C07B 2200/13 (2013.01);
Abstract
An object of the present invention is to provide novel crystals. Provided are crystals of 3-hydroxy-N'-(1,3-dimethylbutylidene)-2-naphthoic acid hydrazide having an X-ray powder diffraction pattern comprising a peak of maximum intensity at an angle of diffraction (2θ) of 6.1±0.2°.