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:
Nov. 06, 1990
Filed:
Mar. 16, 1990
Applicant:
Inventors:
Assignee:
Shionogi & Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556137 ; 556136 ; 549211 ; 549212 ;
Abstract
Novel platinum complexes of the formula: ##STR1## wherein R.sup.1 and R.sup.2 each identically of differently is lower alkyl, or R.sup.1 and R.sup.2 taken together form --(CH.sub.2)m--, and m is an integer from 2 to 5, and antitumor agents comprising the compound (I), which are effective against cisplatin-resistant ascitic murine leukemia, murine leukemia, and solid tumor, with slight hemotoxicity and nephrotoxicity.