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US 8,945,672 B2Granted
Process for preparing compacted pigment granules, process for preparing encapsulated pigment granules, and process for dyeing landscaping and/or construction materials
OwnerZachary Gillman, Martin Chasseinventors
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Abstract
A process for preparing encapsulated pigment granules, including the steps of (1) loading iron oxide powder into a mixer; (2) rotating the mixer to cause the iron oxide powder to continuously cascade within the mixer, so as to form compacted pigment granules; and (3) spraying liquid encapsulation solution onto the cascading compacted pigment granules to cause the cascading compacted pigment granules to be encapsulated.
Claims18
A process for preparing encapsulated pigment granules, comprising the steps of:
- (1) loading iron oxide powder into a mixer;
- (2) rotating the mixer to cause the iron oxide powder to continuously cascade within the mixer, so as to form compacted pigment granules;
- and
- (3) spraying liquid encapsulation solution onto the cascading compacted pigment granules to cause the cascading compacted pigment granules to be encapsulated.
1 more element
Dependencies are inferred from the claim text.