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:
Aug. 02, 1977
Filed:
Sep. 26, 1975
Applicant:
Inventors:
Assignee:
Ciba-Geigy AG, Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ;
U.S. Cl.
CPC ...
2602071 ; 260152 ; 260153 ; 260154 ; 260155 ; 260156 ; 260157 ; 260158 ; 260162 ; 260163 ; 260187 ; 260205 ; 260206 ; 260207 ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 260490 ; 2605 / ; 2605 / ; 2605 / ;
Abstract
An azo compound free from sulfonic acid groups of the formula ##STR1## wherein D is the radical of a diazo component, A is a p-phenylene radical which may be substituted, X is an --NH-- group, a sulfur atom or an oxygen atom, Y is a cycloaliphatic radical containing up to 12 carbon atoms, X' is an --NH-- group, a sulfur atom or an oxygen atom, R.sub.1 is an alkyl radical which may be substituted, R.sub.2 is an alkylene radical which may be substituted and R.sub.3 is an organic radical, and mixtures of said azo compounds with one another, with or without other azo dyestuffs.