Stable aqueous dispersions of fluorescent brightening agents of

Details Stable aqueous dispersions of fluorescent brightening agents of Stable aqueous dispersions of fluorescent brightening agents of

1991-01-31

1992-06-16

Lieberman, Paul

Compositions

Fluent dielectric

N-containing

252153, 252558, 252559, 252173, 25217424, 25230121, 25230122, C11D 122, C11D 326, C11D 337, C11D 944

Patent

active

051223040

ABSTRACT:
Novel aqueous dispersions comprising 7-diethylamino, 4-methyl coumarine or 7-dimethylamino, 4-methyl coumarine in combination with one or more suitable dispersants, humectants and defoamers are disclosed, as well as a method for preparing these.

REFERENCES:
patent: 3666680 (1972-05-01), Briggs
patent: 3832310 (1974-08-01), Grand
patent: 3953380 (1976-04-01), Sunby
patent: 4216111 (1980-08-01), Thompson
patent: 4288225 (1981-09-01), Roland
patent: 4304569 (1981-12-01), Engelhardt
patent: 4369040 (1983-01-01), Kirner et al.
patent: 4460374 (1984-07-01), Abel et al.
patent: 4547401 (1985-10-01), Shore

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