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US 6,638,353 B1Granted
Pigment preparation
AssigneeMerck Patent GmbH
InventorsThomas Rathschlag, Carsten Griessmann
Life of this patent
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Abstract
The invention relates to a non-dusting homogeneous pigment preparation notable in that it comprises at least 40% by weight of one or more effect pigments, from 0.5 to 50% by weight of water and/or an organic solvent or solvent mixture and from 0.5 to 59.5% by weight of a styrene-modified maleate resin having an acid number >90 mg KOH/g, and to its use in particular to produce dry preparations.
Claims14
A non-dusting homogeneous pigment preparation, characterized in that it comprises
- ≧40% by weight of one or more effect pigments,
- 0.5-59.5% by weight of a styrene-modified maleate resin having an acid number >90 mg KOH/g,
- 0.5-50% by weight of water and/or an organic solvent or solvent mixture,
- 0-10% by weight of a neutralizing agent, and
- 0-10% by weight of a modifying agent.
2 more elements
Dependencies are inferred from the claim text.