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:
Mar. 15, 1977
Filed:
Mar. 10, 1975
Applicant:
Inventors:
Armand Roueche, Bottmingen, CH;
Francois L'Eplattenier, Therwil, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; D06P / ;
U.S. Cl.
CPC ...
260155 ; 106 28 ; 106248 ; 1062 / ; 106300 ; 1063 / ; 1063 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 4221 ; 2601 / ; 260141 ; 260144 ; 260154 ; 260156 ; 2602 / ; 2602 / ; 2602 / ; 2602 / ; 26029369 ; 2603 / ; 2603 / ; 2603092 ;
Abstract
Azo colorants of the formula ##STR1## wherein A denotes the radical of a heterocyclic diazo component, R.sub.1 denotes a hydroxyl, alkyl, phenyl or alkoxycarbonyl group, R.sub.2 denotes a H atom or an alkyl, phenyl, acyl, nitrile, alkoxycarbonyl or carbamoyl group, and X and Y denote substituents which do not confer solubility in water are prepared. The compounds are useful for pigmenting high molecular weight organic materials, such as polyesters, polyolefins and rubber. The compounds have excellent fastness to light, weathering and migration.