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:
Oct. 20, 1981
Filed:
Aug. 02, 1979
Applicant:
Inventors:
Richard A Appleton, Loughborough, GB;
David Johnston, Loughborough, GB;
Assignee:
Fisons Limited, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07D / ;
U.S. Cl.
CPC ...
42424852 ; 42424854 ; 424250 ; 544 80 ; 544117 ; 544350 ;
Abstract
There are described compounds of formula I, ##STR1## in which R.sub.1 is phenyl substituted by halogen, alkoxy, alkyl, carboxy-alkyl, --NR.sub.4 R.sub.5, carboxy or alkoxy carbonyl,