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:
May. 25, 1993
Filed:
Nov. 20, 1989
Applicant:
Inventors:
Nobuyoshi Shimada, Tokyo, JP;
Shigeru Hasegawa, Yono, JP;
Takayuki Tomizawa, Machida, JP;
Seiichi Saito, Kashiwa, JP;
Kyoichi Shibuya, Urawa, JP;
Akio Fujii, Kamakura, JP;
Hiroo Hoshino, Maebashi, JP;
Kenichi Matsubara, Suita, JP;
Takemitsu Nagahata, Toyonaka, JP;
Katsutoshi Takahashi, Tokyo, JP;
Yukihiro Nishiyama, Aichi, JP;
Assignee:
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514262 ; 435 88 ; 514265 ; 514266 ; 544264 ; 544265 ; 544276 ; 544277 ;
Abstract
This invention relates to novel oxetanocins represented by the following general formula (I): ##STR1## wherein R represents a group represented by ##STR2## and their pharmacologically acceptable salts which have antiviral activities.