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:
Jul. 03, 1990
Filed:
Jul. 08, 1988
Applicant:
Inventors:
Motoo Hozumi, Ohmiya, JP;
Tsuneo Itoh, Tokyo, JP;
Yoshio Honma, Shobu, JP;
Norio Kawahara, Sapporo, JP;
Ichiro Ishikawa, Tokyo, JP;
Haruo Ogura, Matsudo, JP;
Assignee:
Meiji Seika Kaisha, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514258 ; 544253 ; 536 23 ; 514 50 ; 20415772 ;
Abstract
As new compounds are now provided 7,7,8,8,-tetramethyl-cis-diaza-bicyclo{4.2.0}octane-3,5,-dione derivatives which have an activity to induce the differentiation of tumor cells and are useful as antitumor agent, and which also have an antiviral activity against various viruses and are useful as antiviral agent. These new derivatives may be produced by a photo-addition reaction of a uracil compound with 2,3-dimethyl-2-butene.