Color salt-containing optical brightener composition

Details Color salt-containing optical brightener composition Color salt-containing optical brightener composition

1981-07-20

1983-06-14

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

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

8638, 8639, 8654, 8657, 25230121, 25230123, 25230124, 25230129, C09B 2314, D06P 141

Patent

active

043880797

ABSTRACT:
This invention relates to an optical brightener composition comprising at least one optical brightener and at least one color salt consisting of an optical brightener component having at least one anionic group and a color component having at least one basic group capable of forming a slat with the anionic group, which composition has an excellent brightening effect capable of giving a clearer whiteness as well as a high light fastness.

REFERENCES:
patent: 3600373 (1971-08-01), Zickendraht
patent: 3690916 (1972-09-01), Wesmuller et al.
patent: 3759900 (1973-09-01), Horstman

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