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:
Aug. 27, 1991
Filed:
May. 03, 1990
Applicant:
Inventors:
Eisaku Tsujii, Tsukuba, JP;
Yasuhisa Tsurumi, Tsukuba, JP;
Masanori Okamoto, Tsukuba, JP;
Masakuni Okuhara, Tsukuba, JP;
Teruo Oku, Tsukuba, JP;
Masashi Hashimoto, Tsukuba, JP;
Assignee:
Fujisawa Pharmaceutical Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; A61K / ;
U.S. Cl.
CPC ...
514469 ; 435126 ; 435254 ; 549462 ; 549471 ;
Abstract
A compound of the formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each lower alkyl, R.sup.4 is hydrogen or hydroxy, and a heavy solid line means a double bond when R.sup.4 is hydrogen and a single bond when R.sup.4 is hydroxy is useful in the treatment of diseases caused by reactive oxygen species and organic radicals.