Dustless, water-soluble, solid, dyestuff or optical brightener c

Details Dustless, water-soluble, solid, dyestuff or optical brightener c Dustless, water-soluble, solid, dyestuff or optical brightener c

1980-12-29

1985-09-17

Higel, Floyd D.

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Fluorescent dye, e.g., stilbene, benzimidazole, benzoxazole,...

8655, 8662, 8685, 106288Q, 106308Q, 106309, 534607, 534611, 534793, 534845, 534887, 534576, 534609, C09B 104, C09B 110, C09B 502, D06L 312

Patent

active

045418314

ABSTRACT:
Described is a process for the production of substantially dustless water-soluble dye or optical brightener compositions, which process comprises mixing a dry, solid inorganic salt, heated to at least 50.degree. C., with a mixture of at least one dye or optical brightener, an adhesive as e.g. sorbitol, a dust binding surface active agent and further additives. Such compositions are negligibly dusty to dustfree, and retain these properties even after storage for months, particularly in the case where spray-dried material is used.

REFERENCES:
patent: 2181800 (1939-11-01), Crossley et al.
patent: 2981729 (1961-04-01), Kesler et al.

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