Process for coating detergent granules in a fluidized bed

Details Process for coating detergent granules in a fluidized bed Process for coating detergent granules in a fluidized bed

2005-05-31

2005-05-31

Douyon, Lorna M. (Department: 1751)

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

Heterogeneous arrangement

C510S442000, C510S438000, C510S444000

Reexamination Certificate

active

06900169

ABSTRACT:
A process for preparing coated detergent granules in a fluidized bed. The fluidized bed is operated at a flux number of at least about 4 and at a Stokes Number of 10 to about 1000 using a coating solution or slurry having a viscosity from about 300 to about 100,000 centipoise, measured at 60° C. Upon drying, the resultant detergent particles have improved appearance and flow properties and may be packaged and sold as a detergent material or mixed with various other detergent ingredients to provide a fully formulated detergent composition.

REFERENCES:
patent: 6056905 (2000-05-01), Akkermans et al.
patent: 6143711 (2000-11-01), Del Greco et al.
patent: 6579844 (2003-06-01), Morrison et al.
patent: 6583098 (2003-06-01), Cassie
patent: 6790821 (2004-09-01), Wasserman et al.
patent: 6833346 (2004-12-01), Morrison et al.
patent: WO 00/18856 (2000-04-01), None
patent: WO 00/78909 (2000-12-01), None

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