Patent ID: 7806940
Filing Date: 2010-10-05
Classification: A61K,A61Q,C07D,C08G,C09B

Abstract:
1. A method of dyeing keratin-containing fibers comprising treating the fiber with at least one dye of formula their salts, isomers, hydrates and other solvates, wherein R R X is C R Y is an anion; Z is 1,3-thiazolyl; 1,2-thiazolyl; 1,3-benzothiazolyl; 2,3-benzothiazolyl; imidazolyl; 1,3,4-thiadiazolyl; 1,3,5-thiadiazolyl; 1,3,4-triazolyl; pyrazolyl; benzimidazolyl; benzopyrazolyl; pyridinyl; quinolinyl; pyrimidinyl; or isoxazolyl; and n is a number from 2-100.