Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Fluorescent dye – e.g. – stilbene – benzimidazole – benzoxazole,...
Patent
1988-11-22
1991-10-01
Niebling, John F.
Bleaching and dyeing; fluid treatment and chemical modification
Dye or potential dye composition, additive, treatment,...
Fluorescent dye, e.g., stilbene, benzimidazole, benzoxazole,...
25230121, 25230122, 25230123, 25230124, 25230123, 25230124, 8922, C09B 5700, C09K 1104
Patent
active
050530550
ABSTRACT:
There are disclosed aqueous dispersions comprising water-insoluble or sparingly soluble fluorescent whitening agents, dispersants, further optional assistants and a copolymer of 2-vinylpyrrolidone and 3-vinylpropionic acid, their preparation and the use thereof for whitening textile fibre materials. These novel dispersions are storage-stable.
REFERENCES:
patent: 4070319 (1978-01-01), Carel et al.
patent: 4330427 (1982-05-01), Martini et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, 3rd ed., vol. 4, pp. 213-225, J. Wiley & Sons, New York (1980).
Fringeli Werner
Jollenbeck Martin
Ciba-Geigy Corporation
Dohmann George R.
Marquis Steven P.
McC. Roberts Edward
Niebling John F.
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