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, 2007
Filed:
Nov. 26, 2003
Leonhard Feiler, Binzen, DE;
Thomas Raimann, Sisseln, CH;
Thomas Eichenberger, Basel, CH;
Max Hügin, Rünenberg, CH;
Leonhard Feiler, Binzen, DE;
Thomas Raimann, Sisseln, CH;
Thomas Eichenberger, Basel, CH;
Max Hügin, Rünenberg, CH;
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Abstract
The present invention relates to azo dyes of formula (1) which are soluble in organic solvents, wherein Ris —CN, —COOR, —CONRRor a heterocyclic ring, Ris unsubstituted or substituted alkyl, unsubstituted or substituted aryl, —CF, —COOR, —CONRRor —COR, Ris hydrogen, —SOM, alkyl, alkoxy, alkylcarbonyl, —NOor halogen, Ris substituted aryl, substituted heteroaryl or an aryl-N═N-aryl radical, wherein one or both of the aryl radicals in aryl-N═N-aryl is/are unsubstituted or substituted, or a radical heteroaryl-N═N-heteroaryl, wherein one or both of the heteroaryl radicals in heteroaryl-N═N-heteroaryl is/are unsubstituted or substituted, Ris hydrogen, alkyl or unsubstituted or substituted aryl, Ris hydrogen, alkyl or unsubstituted or substituted aryl, Ris hydrogen, alkyl or unsubstituted or substituted aryl, Mis a cation, n is a number 1, 2 or 3 and m is a number 1, 2 or 3, to a process for the preparation thereof and to the use thereof in the production of colored plastics or polymeric color particles, and as printing inks, printing dyes, coating compositions and wood stains