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.

Date of Patent:
Aug. 23, 2022

Filed:

Sep. 18, 2017
Applicant:

Syneurx International (Taiwan) Corp., New Taipei, TW;

Inventors:

Guo-Chuan Emil Tsai, New Taipei, TW;

Ching-Cheng Wang, New Taipei, TW;

Tien-Lan Hsieh, New Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 309/40 (2006.01);
U.S. Cl.
CPC ...
C07D 309/40 (2013.01); C07B 2200/13 (2013.01);
Abstract

Novel co-crystal and eutectic crystal of kojic acid and a co-former that are excellent in physical properties are provided. In one aspect, novel co-crystals of kojic acid and a co-former that is maltol or ethyl maltol are provided. In another aspect, novel crystal of a eutectic mixture of kojic acid and a co-former that is selected from the group consisting of, maltol, ethyl maltol, methyl paraben and propyl gallate are provided. Methods for producing the novel co-crystal or eutectic crystal are also described. The novel co-crystals and eutectic crystals may be included in a pharmaceutical composition, a health food product or a medical food product for the treatment and/or prophylaxis of a neuropsychiatric disorder.


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