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US 6,270,563 B1Granted
Pigment composition
AssigneeMerck Patent GmbH
InventorsGerhard Herget, Wolfgang Hechler, Carsten Griessmann
Life of this patent
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Abstract
The invention relates to a non-dusting homogeneous pigment composition comprising at least 50 % by weight of one or more effect pigments, 0.1-50 % by weight of plasticizer or a mixture of plasticizer/nitrocellulose, and 0-49.9 % by weight of a solvent or solvent mixture; and to its use in paints, varnishes, printing inks and plastics.
Claims20
A non-dusting homogeneous pigment composition comprising:
- at least 50% by weight of one or more effect pigments,
- 0.1-50% by weight of a plasticizer wherein the plasticizer comprises at least one hydroxycarboxylic ester or the plasticizer comprises at least one phthalate, phosphate ester, citrate, butyrate or epoxide compound and is in admixture with a nitrocellulose, and
- 0-49.9% by weight of a solvent or solvent mixture.
Dependencies are inferred from the claim text.