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:
Apr. 27, 2010
Filed:
Sep. 25, 2006
Victor Paul Eliu, Lörrach, DE;
Beate Fröhling, Grenzach-Wyhlen, DE;
Dominique Kauffmann, Illzach, FR;
Victor Paul Eliu, Lörrach, DE;
Beate Fröhling, Grenzach-Wyhlen, DE;
Dominique Kauffmann, Illzach, FR;
Ciba Corporation, Tarrytown, NY (US);
Abstract
Disclosed are compounds of formula (1a), wherein Ris NRR; Rand/or Rindependently from each other are hydrogen; C-Calkyl; or phenyl-C-C-alkyl; or Rand/or Rare a bivalent C-Calkylene radical which is linked to the carbon atoms Cor Crespectively and, together with the linking nitrogen atom form a 6 to 16-membered carbocyclic ring; Ris NRR; or OR; Rand R, independently from each other are hydrogen; C-Calkyl; or phenyl-C-Calkyl; or Rand/or Rare a bivalent C-Calkylene radical which is linked to the carbon atoms Cor Crespectively and, together with the linking nitrogen or oxygen atom form a 6 to 16-membered carbocyclic ring; or Rand Rtogether with the linking nitrogen atom form a 4 to 8 membered carbocyclic ring; R, R, R, Rand Rindependently form each other are hydrogen; C-Calkyl; halogen; NRR; or a radical of formula (1a); Rand Rindependently from each other are hydrogen; C-Calkyl; phenyl-C-Calkyl; or a radical of formula (1a); V is —O—; Or —NR; R, RR-and Rindependently from each other are hydrogen; or C-Calkyl; and Hal is a halogen atom; and wherein at least one of R, R, R, Rand Ris hydrogen. The compounds are useful for dyeing of keratin-containing fibers with or without reducing agents.