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. 04, 1991
Filed:
May. 07, 1990
Applicant:
Inventors:
Yoshimasa Nakano, Tokushima, JP;
Michiharu Sugawara, Tokushima, JP;
Setsuyoshi Uetsuki, Tokushima, JP;
Taketoshi Izawa, Tokushima, JP;
Tomoyuki Kawaguchi, Tokushima, JP;
Akira Wada, Tokushima, JP;
Assignee:
Otsuka Pharmaceutical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514253 ; 514825 ; 544405 ;
Abstract
A novel pyrazinoxide compound of NF-1616-904 having the formula (1), ##STR1## prepared by hydrolyzing the intermediate compound of NF-1616-902 which is separated from a culture broth of a microorganism belonging to the genus Thielavia. The pyazinoxide compound of NF-1616-904 possess biological and pharmacological activities, and is useful agent for preventing and treating diseases caused by superoxide radicals (O.sub.2.sup.-), and nephritis.