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:
May. 04, 1982
Filed:
Mar. 05, 1979
Applicant:
Inventors:
Roger C Brown, Loughborough, GB;
Hugh Cairns, Loughborough, GB;
Anthony R Payne, Castle Donington, GB;
Assignee:
Fisons Limited, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
424256 ; 424258 ; 546 88 ; 546108 ; 546110 ; 560 44 ; 562433 ; 562455 ; 562457 ; 562456 ;
Abstract
There are described compounds of formula I, ##STR1## in which R.sub.5 to R.sub.8 may be a variety of substituents, or an adjacent pair of R.sub.5, R.sub.6, R.sub.7 and R.sub.8 form a chain
Brown, Roger. (1982). N-substituted-quinolin-4-one-2-carboxic acid derivatives (U.S. Patent No. 4328230). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4328230
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile