The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 30, 2014
Filed:
Dec. 18, 2009
Thomas Rathschlag, Riedstadt, DE;
Carsten Griessmann, Gross-Zimmern, DE;
Thomas Rathschlag, Riedstadt, DE;
Carsten Griessmann, Gross-Zimmern, DE;
Merck Patent GmbH, Darmstadt, DE;
Abstract
Pigment granules comprise one or more flake-form effect pigments, polymer particles or polymer particle mixtures, adhesion promoters, antioxidants and optionally additives. A process for the preparation of pigment granules comprises mixing one or more flake-form effect pigments, one or more polymer particles, at least one adhesion promoter, at least one antioxidant and optionally one or more additives with one another simultaneously or successively. The pigment granules may be used for the pigmentation of powder coatings, plastics and for the preparation of masterbatches. The pigment granules may be employed as a mixture with plastic powders or as a mixture with plastic granules for use in masterbatch applications.