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. 27, 1982
Filed:
Nov. 28, 1980
Applicant:
Inventor:
Werner Schreiber, Basel, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
542466 ; 542467 ; 548217 ; 548219 ; 548220 ; 548327 ; 548328 ;
Abstract
Benzazolyl compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 are specific substituents, X is oxygen or R.sub.3 N--, Q is a radical of the formula ##STR2## wherein R.sub.4 denotes specific substituents, and A is 2,5-furylene, 2,5-thenylene or a bridge member which contains at least one double bond between 2 carbon atoms or is the direct bond. These compounds are obtained by condensation of organic carboxylic acids with aminobenzenes in diphenyl ether or a mixture of diphenyl ether and diphenyl.