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:
May. 24, 2022
Filed:
Dec. 20, 2017
Applicant:
Japan Tobacco Inc., Tokyo, JP;
Inventors:
Yukihiro Kamiya, Takatsuki, JP;
Noriaki Shimoyama, Takatsuki, JP;
Ryuhei Okura, Takatsuki, JP;
Satoru Noji, Takatsuki, JP;
Assignee:
Japan Tobacco Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/519 (2006.01); A61K 31/407 (2006.01); C07D 519/00 (2006.01); C07D 487/10 (2006.01); A61P 17/06 (2006.01); A61P 17/14 (2006.01);
U.S. Cl.
CPC ...
C07D 519/00 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention relates to crystalline forms of the Janus kinase (JAK) inhibitor 3-((3S,4R)-3-methyl-6-(7H-pyrrolo [2,3-d]pyrimidin-4-yl)-1,6-diazaspiro[3.4]octan-1-yl)-3-oxopropanenitrile (Compound A), as well as, compositions thereof, methods of their preparation, methods of use thereof and methods of quantitation.