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:
Jan. 11, 2005
Filed:
Apr. 21, 2003
Christoph Schmidt, Kriftel, DE;
Andrea Heyland, Reichelsheim, DE;
Claudia Fornoff, Otzberg, DE;
Hans-dieter Brückner, Darmstadt, DE;
Christoph Schmidt, Kriftel, DE;
Andrea Heyland, Reichelsheim, DE;
Claudia Fornoff, Otzberg, DE;
Hans-Dieter Brückner, Darmstadt, DE;
Merck Patent GmbH, Darmstadt, DE;
Abstract
The present invention relates to silver-colored luster pigments based on multiply coated platelet-shaped substrates, which has at least one layer sequence of TiO, a colorless coating and another TiOlayer. The pigment can optionally have an outer protective layer. These luster pigments are useful and to the use thereof in paints, coatings, printing inks, including security printing inks, plastics, ceramic materials, glasses, cosmetic formulations and for producing pigment preparations and dry product forms such as granules, chips, pellets and briquettes.