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. 21, 1989
Filed:
Oct. 07, 1987
Applicant:
Inventors:
Philippe Manoury, Verrieres le Buisson, FR;
Jean Binet, Breuillet, FR;
Elisabeth Dewitte, St. Gratien, FR;
Assignee:
Synthelabo, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546118 ;
Abstract
Imidazo[4,5-b]pyridin-2-one derivatives of the formula (I) ##STR1## in which n is 2, 3 or 4, x is .dbd.CH-- or .dbd.N--, R.sub.1 and R.sub.2, which may be the same or different, each represent hydrogen, halogen or (C.sub.1-4) alkoxy and either R.sub.3 is H or OH and R.sub.4 is H, or R.sub.3 and R.sub.4 together form a direct bond, their enantiomers and their addition salts with pharmaceutically acceptable acids are pharmacologically active, for example as antagonists to histamine and serotonin.