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:
Apr. 16, 1991
Filed:
Dec. 18, 1989
Applicant:
Inventors:
Koichi Yokoi, Kashiwa, JP;
Kazuhiko Irinoda, Chiba, JP;
Hidehiko Kohya, Narita, JP;
Susumu Sato, Shisui, JP;
Tatsuhiko Katori, Tone, JP;
Assignee:
SS Pharmaceutical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556137 ; 556 40 ;
Abstract
A platinum complex having the following formula (I) is disclosed, ##STR1## wherein R.sup.1 and R.sup.2 may be the same or different and each independently represents a methyl group or an ethyl group, and the configuration of 1,2-diaminocyclohexane is either cis-, trans-l-, trans-d-, or trans-dl-. The compound possess excellent antitumor activity with a high therapeutic index and abundant water solubility, and thus are effective as an antitumor agent.