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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 8198281 B1

PDFFull Text
Date of Patent:
Jun. 12, 2012

Filed:

Apr. 22, 2008

Crystalline forms of dihydropyrazolopyrimidinone

Applicants:

Masashi Kawasaki, Tsukuba, JP;

Hiroo Mizuno, Tsukuba, JP;

Toshihiro Sakamoto, Moriya, JP;

Kimimasa Suzuki, Tsukuba, JP;

Arlene E. Mckeown, Summit, NJ (US);

Inventors:

Masashi Kawasaki, Tsukuba, JP;

Hiroo Mizuno, Tsukuba, JP;

Toshihiro Sakamoto, Moriya, JP;

Kimimasa Suzuki, Tsukuba, JP;

Arlene E. McKeown, Summit, NJ (US);

Assignee:

Merck Sharp & Dohme Corp., Rahway, NJ (US);

Attorney:

Joan E. Switzer

Primary Examiner:

Jeffrey Murray

Int. Cl.
CPC ...
A61K 31/497 (2006.01); A61K 31/519 (2006.01); A01N 43/90 (2006.01); C07D 487/00 (2006.01); C07D 413/00 (2006.01); C07D 417/00 (2006.01); C07D 419/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to the crystalline forms of 2-allyl-1-[6-(I-hydroxy-1 methylethyl)pyridin-2-yl]-6-{[4-(4-methylpiperazin-1-yl)phenyl]amino}-1,2-dihydro-3H-pyrazolo[3,4-d]pyrimidin-3-one or a salt thereof, which are useful in the field of treatment of various cancers as a kinase inhibitor, especially as a Weel kinase inhibitor.

Find Patent Forward Citations

Kawasaki, Masashi. (2012). Crystalline forms of dihydropyrazolopyrimidinone (U.S. Patent No. 8198281). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8198281

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

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