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:
Jan. 15, 1980
Filed:
Feb. 03, 1978
Applicant:
Inventor:
Jean-Michel Bastian, Therwil, CH;
Assignee:
Sandoz Ltd., Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
A01N / ; C07D / ;
U.S. Cl.
CPC ...
424275 ; 549 43 ; 549 48 ;
Abstract
The present invention provides compounds of formula, ##STR1## wherein n is from 0 to 4, m is from 0 to 4, whereby n+m is at least 1 and not more than 4, each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 may independently be, for example, hydrogen, alkyl or alkoxy, R.sub.5 may, for example, be nitrile or carbamoyl and R.sub.6 is hydrogen and, when n is 2 and m is 0, one of R.sub.6 can be alkyl of 1 to 4 carbon atoms, which compounds possess pharmaceutical, for example antiallergic, activity.