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. 18, 1977
Filed:
May. 13, 1976
Applicant:
Inventor:
Willy Muller, Riehen, CH;
Assignee:
Ciba-Geigy AG, Basel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
260176 ; 260208 ; 260174 ; 1062 / ;
Abstract
A compound of the formula ##STR1## in which A represents phenylene which may be substituted by chlorine, bromine, methyl, methoxy, ethoxy or cyano, X represents hydrogen or chlorine, and R represents methyl or ethyl, was prepared. The compounds are useful for pigmenting high molecular organic materials such as polyamides, polyurethanes and polyesters. The compounds have excellent fastness to light, migration, weather and to alkali.