Method of making dry pigment surface modified with polyethylene coating
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 15, 2000
Grant Date -
N/A
app pub date -
Jul 29, 1996
filing date -
Jul 29, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Dry, coated pigment particles are obtained by first suspending uncoated pigment particles in an appropriate medium and then coating the particles while in suspension, with a polymer that is at or above the softening point for that polymer. Coating of the pigment particles is achieved by allowing the suspension to cool to a temperature below the solidification temperature for the polymer. The coated pigment particles are then recovered.
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