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.:

US 9029420 B1

PDF
Full Text
Expired
Date of Patent:
May. 12, 2015

Filed:

Dec. 13, 2010
Applicants:

Jianqiang Zhu, Tianjin, CN;

Qingson Tian, Tianjing, CN;

Jian Zhao, Tianjin, CN;

Inventors:

Jianqiang Zhu, Tianjin, CN;

Qingson Tian, Tianjing, CN;

Jian Zhao, Tianjin, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 233/18 (2006.01); A61K 31/165 (2006.01); C07C 231/24 (2006.01);
U.S. Cl.
CPC ...
C07C 231/24 (2013.01); C07B 2200/13 (2013.01); C07C 233/18 (2013.01); A61K 31/165 (2013.01);
Abstract

Agomelatine crystal, which is a drug for treating depression, and pharmaceutical compositions thereof are provided. The X-ray powder diffraction spectra of such agomelatine crystal, which is irradiated by Cu-Kα and showed by 2θ(degree), has characteristic diffraction peaks at 12.84, 13.84, 16.14, 18.56, 19.12, 20.86, 21.20, 23.84; its IR absorption pattern has characteristic absorption peaks at about 3234, 3060, 2940, 1638, 1511, 1436, 1249, 1215, 1184, 1032, 908, 828, 755, 588 cm-1, and its DSC endothermic transition temperature is 97.6° C. The use of the agomelatine crystal as an active ingredient in preparing a medicament for the treatment of depression is also provided.


Find Patent Forward Citations

Zhu, Jianqiang. (2015). Agomelatine and pharmaceutical compositions thereof (U.S. Patent No. 9029420). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9029420

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…