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:
Mar. 29, 2011
Filed:
May. 24, 2007
Carsten Handrosch, Muehltal, DE;
Thomas Rudolph, Darmstadt, DE;
Herwig Buchholz, Frankfurt, DE;
Soheila Anzali, Seeheim-Jugenheim, DE;
Carsten Handrosch, Muehltal, DE;
Thomas Rudolph, Darmstadt, DE;
Herwig Buchholz, Frankfurt, DE;
Soheila Anzali, Seeheim-Jugenheim, DE;
Merck Patent GmbH, Darmstadt, DE;
Abstract
Disclosed are particles containing substrates and an anion-binding layer, containing one or more anion-forming organic active compounds or active compound/colorant mixtures; processes for preparing said particles and to methods of use thereof in cosmetics, pharmaceuticals, formulations, paints, coatings, plastics, films, in security printing, in security features in documents or identity papers, for coloring seed, for coloring foods or in medicament coatings and for the preparation of pigment compositions and dry preparations.