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:
Sep. 13, 2022
Filed:
Feb. 05, 2019
Applicant:
Daiichi Sankyo Company, Limited, Tokyo, JP;
Inventor:
Keisuke Suzuki, Tokyo, JP;
Assignee:
Daiichi Sankyo Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/351 (2006.01); C07D 309/06 (2006.01); A61P 29/00 (2006.01); A61K 9/70 (2006.01);
U.S. Cl.
CPC ...
C07D 309/06 (2013.01); A61K 9/7023 (2013.01); A61P 29/00 (2018.01);
Abstract
The present invention directs to provide a novel compound for treating and/or preventing pain, having excellent skin permeation and reduced skin irritation. The present invention provides a compound of formula (I) or a pharmaceutically acceptable salt thereof (R: a methyl group or other like group, R: a fluorine atom or other like group, R: a methyl group or other like group, R: a methyl group or other like group, R: a methyl group or other like group)