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. 17, 1990
Filed:
Jan. 25, 1989
Applicant:
Inventor:
Carl H Behrens, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours & Co., Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514284 ; 546 61 ;
Abstract
Dihydrobenz[c]acridine carboxylic acid derivatives are provided which are useful in treating tumors in mammals. These dihydrobenz[c]acridine carboxylic acid derivatives have the formula: ##STR1## or a pharmaceutically acceptable salt thereof, where R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are as defined in the specification. Also provided are pharmaceutical compositions of said compounds. In addition, processes for the preparation of these compounds are disclosed.
Behrens, Carl. (1990). 3-phenyl-5,6-dihydrobenz(c)acridine-7-carboxylic acids and related (U.S. Patent No. 4918077). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4918077
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile