Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR DYEING WOOL USING SILICON COMPLEX SALT AZO DYE
Document Type and Number:
Japanese Patent JP2002088664
Kind Code:
A
Abstract:

To provide a method for dyeing wool using a silicon complex salt azo dye as a non-chromium-based dye causing no environmental problem and having good fastness, particularly high light fastness.

This method for dyeing wool is environmentally compatible type and involves using a compound of the general formula (1) [wherein, A is a (substituted) benzene ring residue or (substituted) naphthalene ring residue; B is a (substituted) benzene ring residue, (substituted) naphthalene ring residue, (substituted) pyrazolone ring residue or (substituted) acetacetanilide residue; X is O or COO; M is a silicon atom; Y is H or an alkali metal; and (n) is an even number of 2-8].


Inventors:
MAEDA KEIJI
NAKAMURA YASUYOSHI
SUZUKI NOBUO
Application Number:
JP2000278129A
Publication Date:
March 27, 2002
Filing Date:
September 13, 2000
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HODOGAYA CHEMICAL CO LTD
International Classes:
C09B45/22; D06P1/10; D06P3/20; (IPC1-7): D06P1/10; C09B45/22; D06P3/20



 
Previous Patent: JP2002088662

Next Patent: BEAD WIRE, BEAD AND PNEUMATIC TIRE