Title:
直接染料の水溶液
Document Type and Number:
Japanese Patent JP5118021
Kind Code:
B2
Abstract:
The invention relates to an aqueous dye solution comprising a) 5 to 30% by weight of an anionic or cationic direct dye, b) 0.01 to 5% by weight of the compound of formula (1), in which M represents hydrogen, an alkali metal or alkaline earth metal, ammonium or ammonium, that is mono-, di-, tri- or tetra-substituted by C1-C4alkyl or C2-C4hydroxyalkyl or mixtures thereof, c) 0 to 10% by weight of an inorganic or an organic acid, d) 0 to 20% by weight of further additives and e) water to complete to 100%, with the proviso that direct dyes of the formula (2) in which K is a residue of a coupling component of the acetoacetanilide, pyridone, pyrazolone or pyrimidine series and M is as defined above, are excluded, a process for their preparation and the use thereof for dyeing paper.
Inventors:
Lautenbach, Holger
Kaeser, Adolf
Kaeser, Adolf
Application Number:
JP2008511675A
Publication Date:
January 16, 2013
Filing Date:
May 08, 2006
Export Citation:
Assignee:
Ciba Holding Inc.
International Classes:
C09B67/44; C09B33/056; C09B47/26; C09B67/00; D21H19/10
Domestic Patent References:
| JP2005526866A | ||||
| JP6207115A | ||||
| JP5279587A | ||||
| JP2189369A | ||||
| JP4225067A | ||||
| JP4246471A |
Foreign References:
| WO2003064539A1 |
Attorney, Agent or Firm:
Hajime Tsukuni
Koshiro Tsukuda
Fusayuki Saito
Koshiro Tsukuda
Fusayuki Saito