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:
Jun. 29, 2010
Filed:
Feb. 28, 2003
Applicants:
Ichiro Hirao, Wako, JP;
Shigeyuki Yokoyama, Yokohama, JP;
Michiko Hirao, Wako, JP;
Tsuneo Mitsui, Wako, JP;
Inventors:
Ichiro Hirao, Wako, JP;
Shigeyuki Yokoyama, Yokohama, JP;
Michiko Hirao, Wako, JP;
Tsuneo Mitsui, Wako, JP;
Assignees:
RIKEN, Wako-shi, JP;
Japan Science and Technology Agency, Kawaguchi-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/70 (2006.01); C07H 19/00 (2006.01); C07H 21/00 (2006.01); C07H 21/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The object of the present invention is to provide a nucleoside or nucleotide having an unnatural base. The nucleoside or nucleotide of the present invention has a 5-substituted-2-oxo(1H)-pyridin-3-yl group as a base. Preferably, the 5-position of the above base is substituted with a substituent selected from the group consisting of the following: