Treatment of optical brightening agents

Details Treatment of optical brightening agents Treatment of optical brightening agents

1973-10-30

1976-06-08

Guynn, Herbert B.

Compositions

Organic luminescent material containing compositions

Optical brightening compositions

252311, 2523635, 252543, C09K 1106

Patent

active

039621154

ABSTRACT:
A thixotropic slurry is prepared comprising a compound having the formula ##SPC1##
Wherein X and Y may be the same or different and each represents a mono- or di-substituted amino or alkoxy group and M represents an alkali metal or hydrogen, by mixing the wet filter cake obtained during the preparation of this compound with a dispersing agent such that the resulting slurry has a Brookfield viscosity from 200 to 10,000 centipoises at 6 r.p.m. A detergent composition is prepared by adding the above obtained slurry to a detergent and mixing.

REFERENCES:
patent: 2384564 (1945-09-01), Roseman et al.
patent: 3177207 (1965-04-01), Siegel et al.
patent: 3595801 (1971-07-01), Rosch et al.
patent: 3630944 (1971-12-01), Obkawa et al.
patent: 3682946 (1972-08-01), Liechti

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