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US 6,143,402 AGranted
Pigment preparations in pellet form based on organic pigments coated with resin mixtures
AssigneeBASF SE
InventorHansulrich Reisacher
Life of this patent
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Abstract
Pigment preparations in pellet form wherein the organic pigment particles are coated with a mixture of a resin (A) having an acid number .gtoreq.200 and a resin (B) having an acid number <200 are useful for pigmenting printing inks.
Claims11
A pelleted pigment formulation, comprising:
- particles of organic pigment coated with a mixture of a resin (A) having an acid number .gtoreq.200 and a resin (B) having an acid number of 100 to less than 200.
Dependencies are inferred from the claim text.