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:
Mar. 06, 2018
Filed:
Oct. 19, 2016
Applicant:
Taiho Pharmaceutical Co., Ltd., Chiyoda-ku, JP;
Inventor:
Hiromi Oshiumi, Tsukuba, JP;
Assignee:
TAIHO PHARMACEUTICAL CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01); A61K 31/519 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01); A61K 31/519 (2013.01);
Abstract
Provided is a salt having a high selectivity to BTK and is useful as a drug ingredient for a pharmaceutical product. It has been found that fumarate of Compound A is free of a characteristic of channel hydrate and is stable and excellent in absorptive property, compared to Compound A or other salts thereof.