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:
Feb. 25, 1992
Filed:
Jun. 05, 1990
Applicant:
Inventors:
Emile Bisagni, Orsay, FR;
Chi-Hung Nguyen, Massy, FR;
Assignee:
Rhone-Poulenc Sante, Antony Cedex, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514285 ; 546 70 ;
Abstract
New pyridobenzoindole derivatives of general formula (I), in which R is H or alkyl (1 or 2 C), alk is straight or branched alkylene (2 to 4 C), R.sub.1 denotes a hydrogen atom or an alkyl radical (1 or 2 C), R.sub.2 denotes a hydroxy or methoxy radical, and R.sub.3 is methyl or ethyl and their addition salts with acids, useful as antitumor agents. ##STR1##