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:
May. 15, 1984
Filed:
Jun. 18, 1981
Hansrudolf Schwander, Riehen, CH;
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
The patent discloses novel monoazo compounds, and mixtures of monoazo compounds, of the formula ##STR1## in which Hal.sub.1 and Hal.sub.2 independently of one another are each a halogen atom, X is a CF.sub.3, CN or SO.sub.2 --A group, in which A is a substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl group or a di-(C.sub.1 -C.sub.4)-alkyl-amino group, in which the alkyl radicals can be substituted, R is a substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl group or a substituted or unsubstituted C.sub.1 -C.sub.4 -alkoxy group and Y is a substituted or unsubstituted C.sub.1 -C.sub.8 -alkyl group or a substituted or unsubstituted C.sub.3 -C.sub.4 -alkenyl group, as well as processes for their preparation, and their use as dyes for dyeing and printing textile materials which are dyeable with disperse dyes, especially polyester materials. The dyeings obtained in particular have very good light fastness, brilliance, sublimation fastness and freedom from 'catalytic fading'.