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. 02, 1991
Filed:
Aug. 27, 1990
Applicant:
Inventors:
Katsuhiko Kurabayashi, Annaka, JP;
Junichi Seki, Takasaki, JP;
Haruo Machida, Isesaki, JP;
Hiroshi Yoshikawa, Fujioka, JP;
Hiroo Hoshino, Maebashi, JP;
Seiichi Saito, Kashiwa, JP;
Masayuki Kitagawa, Urawa, JP;
Assignee:
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07F / ; C07D / ;
U.S. Cl.
CPC ...
514 81 ; 514243 ; 544184 ;
Abstract
Oxetanocin derivatives represented by formula: ##STR1## wherein X represents H or ##STR2## or a pharmacologically acceptable salt thereof exhibit an anti-viral activity. Anti-viral compositions comprising the oxetanocin derivatives or their pharmacologically acceptable salts as the effective ingredient are also provided.