Process of coloring stabilized bleach activator extrudates

Details Process of coloring stabilized bleach activator extrudates Process of coloring stabilized bleach activator extrudates

1988-12-22

1991-03-05

Stoll, Robert L.

Compositions

Oxidative bleachant, oxidant containing, or generative

Composition containing a stabilizer or a product in the form...

2521863, 25218638, 25218627, C09K 300

Patent

active

049975900

ABSTRACT:
This invention relates to a process for applying water-soluble dye or water-dispersible pigment to stabilized bleach activator extrudates in a manner which avoids agglomeration and allows even coating of the bleach activator extrudates. This is accomplished by adding water-soluble hydratable material and the dye or pigment to an aqueous solution, and then distributing the aqueous solution on the bleach activator extrudates. The bleach activator extrudates comprise specific peroxygen bleach activators and select binder materials. This invention also relates to colored bleach activator extrudates made according to this process.

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