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:
Nov. 06, 1990
Filed:
Mar. 05, 1987
Applicant:
Inventors:
Yoshio Taniyama, Osaka, JP;
Takumi Hamana, Hyogo, JP;
Ryuji Marumoto, Okuikeminami, JP;
Naoki Yamamoto, Yamaguchi, JP;
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514 63 ; 514261 ; 514262 ; 514263 ; 514258 ; 514303 ; 544254 ; 544265 ; 544267 ; 544276 ; 544277 ; 544279 ; 546118 ;
Abstract
A compound of the formula: ##STR1## wherein R is a hydroxyl group which may be protected and Y is a purine base which may be protected, and the saltts thereof, which are useful as an antiviral agent.