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.

Date of Patent:
Sep. 15, 2015

Filed:

Apr. 28, 2010
Applicants:

Toshiaki Suzuki, Tokyo, JP;

Hideki Satoh, Tokyo, JP;

Toshiyuki Matsuno, Tokyo, JP;

Kenichi Saitoh, Tokyo, JP;

Soichi Ohta, Tokyo, JP;

Manami Masuda, Tokyo, JP;

Shinichi Yaguchi, Tokyo, JP;

Ichiro Koshimizu, Tokyo, JP;

Yuriko Watanabe, Tokyo, JP;

Yoshie Minowa, Tokyo, JP;

Masayuki Takahashi, Tokyo, JP;

Tomoyoshi Kayou, Tokyo, JP;

Inventors:

Toshiaki Suzuki, Tokyo, JP;

Hideki Satoh, Tokyo, JP;

Toshiyuki Matsuno, Tokyo, JP;

Kenichi Saitoh, Tokyo, JP;

Soichi Ohta, Tokyo, JP;

Manami Masuda, Tokyo, JP;

Shinichi Yaguchi, Tokyo, JP;

Ichiro Koshimizu, Tokyo, JP;

Yuriko Watanabe, Tokyo, JP;

Yoshie Minowa, Tokyo, JP;

Masayuki Takahashi, Tokyo, JP;

Tomoyoshi Kayou, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/52 (2006.01); C07D 473/36 (2006.01); C07D 487/12 (2006.01); C07D 473/24 (2006.01); A61K 31/5377 (2006.01);
U.S. Cl.
CPC ...
A61K 31/52 (2013.01); A61K 31/5377 (2013.01); C07D 473/24 (2013.01);
Abstract

Disclosed are: a novel purine derivative, a composition thereof, a method for treating tumor using the purine derivative, and an antitumor agent using the purine derivative. Specifically disclosed is a compound represented by formula (I), or a pharmaceutically acceptable salt, solvate or hydrate thereof, or a prodrug thereof.


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