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. 06, 1982
Filed:
Jan. 09, 1979
Applicant:
Inventor:
Francois Benguerel, Oberwil, CH;
Assignee:
Sandoz Ltd., Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ;
U.S. Cl.
CPC ...
260187 ; 260197 ; 260184 ; 260186 ; 260189 ; 260190 ; 260191 ; 260194 ; 260196 ; 2602071 ;
Abstract
Compounds of the formula ##STR1## in which D is ##STR2## in which R.sub.1 is trifluoromethyl, --COOM.sub.1 --COOR.sub.2 ; or a group of the formula or --NHR.sub.3, --NR.sub.3 R.sub.4 or --NR.sub.5 COR.sub.6 in a position meta or para to the azo group, ring A being optionally further substituted by a total of up to two further substituents selected from halogen, (C.sub.1-4)alkyl, (C.sub.1-4)alkoxy and trifluoromethyl (only one further trifluoromethyl group),