Liquid dispersed dye of the azo or anthraquinone type

Details Liquid dispersed dye of the azo or anthraquinone type Liquid dispersed dye of the azo or anthraquinone type

1998-04-13

2000-05-23

Lovering, Richard D.

Bleaching and dyeing; fluid treatment and chemical modification

Organic additive for dye composition, dye composition...

Polymeric additive

8552, 8576, 8589, 516 77, C09B 6740

Patent

active

060661836

ABSTRACT:
A liquid dispersed dye of the azo or anthraquinone type that includes a dispersing agent and dispersing assistant in order to keep the dye dissolved in liquid without sedimentation. The preferred dispersing agent is a sulfonated lignin salt and the preferred dispersing assistant is a surfactant such as polyethylene glycol epoxide ether (EO-1), polyethylene glycol phenolic-formaldehyde epoxide ether (EO-2), or polyethylene glycol amino methylene epoxide ether (EO-3).

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patent: 4063880 (1977-12-01), Tullio
patent: 4094634 (1978-06-01), Becker et al.
patent: 4153414 (1979-05-01), Ver Nooy, III et al.
patent: 4235596 (1980-11-01), Schaub et al.
patent: 4281999 (1981-08-01), Becker et al.
patent: 4439206 (1984-03-01), Hildebrand et al.

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