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:
Jul. 15, 2025
Filed:
Mar. 04, 2021
Applicant:
Nagase & Co., Ltd., Osaka, JP;
Inventors:
Takeshi Nakatani, Hyogo, JP;
Nanami Nakashima, Hyogo, JP;
Assignee:
NAGASE & CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 233/84 (2006.01); A61K 31/417 (2006.01); A61K 31/4172 (2006.01);
U.S. Cl.
CPC ...
A61K 31/4172 (2013.01);
Abstract
In a composition in which L-ergothioneine (EGT) and N,N-dimethyl-L-2-thiohistidine (DTH), it makes possible to suppress coloring of the composition. A composition comprising EGT and DTH is prepared in which the content of DTH is reduced.