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. 08, 1984
Filed:
Mar. 16, 1981
Gerd Holzle, Liestal, CH;
Rainer Begrich, Rheinfelden, CH;
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
Azo dyes of the formula ##STR1## wherein D is benzene, naphthalene, benzoylaminobenzene, azobenzene or stilbene, which is unsubstituted or substituted by alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, phenoxy, alkanoylamino of 1 to 6 carbon atoms, benzoylamino, amino, alkylamino of 1 to 4 carbon atoms, phenylamino, alkoxycarbonyl of 1 to 5 carbon atoms, alkylcarbonyl of 1 to 5 carbon atoms, nitro, cyano, acetyl, carbamoyl, ureido, hydroxy, carboxy, halogen or sulfo, and which contains a dihalo-s-triazinylamino or a monohalo-s-triazinylamino radical substituted by an alkyl, aryl, alkylthio, arylthio, hydroxy, alkoxy, aryloxy, -NH.sub.2, alkylamino, arylamino or heterocyclic amino group, wherein the halo-s-triazinylamino radical is bonded directly or via methylene to a ring carbon of D, and the amino group, by which the halo-s-trazinyl radical is bonded to a carbon atom in D is optionally substituted at the nitrogen atom by C.sub.1-4 -alkyl or -sulfoalkyl, R is hydrogen or alkyl of 1 to 4 carbon atoms, and R.sub.1 and R.sub.2, independently of one another, have the same meaning as those substituents referred to above of monohalo-s-triazinyl radicals in D; or a heavy metal complex thereof, are especially suitable for dyeing cotton fabric according to the exhaustion dyeing method and produce dyeings which have good fastness properties.