Colorant material with a polymerized coating

Details Colorant material with a polymerized coating Colorant material with a polymerized coating

1991-10-07

1992-12-22

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524388, 428407, C08K 554

Patent

active

051735202

ABSTRACT:
A composition which is a colorant material having polymerized on its surface at least one methacrylate monomer. A coating of from about 0.25-2.0 percent by weight based on the weight of the colorant material provides for the improved dispersibility of the coated colorant in various fluids, an improvement in the protection of the color additive from the effects of moisture, and improved anticaking properties.

REFERENCES:
patent: 2472680 (1949-06-01), Pratt
patent: 3734872 (1973-05-01), Wakimoto et al.
patent: 4169737 (1979-10-01), Burke, Jr. et al.
patent: 4434009 (1984-02-01), Banba
patent: 5037475 (1991-08-01), Chida et al.
patent: 5059639 (1991-10-01), Ohkura et al.

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