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. 15, 2005
Filed:
Dec. 17, 2003
Applicants:
Lilia Heider, Winchester, GB;
Martin Knapp, Dieburg, DE;
Gisela Lenz, Gross-Gerau, DE;
Norbert Rick, Darmstadt, DE;
Inventors:
Lilia Heider, Winchester, GB;
Martin Knapp, Dieburg, DE;
Gisela Lenz, Gross-Gerau, DE;
Norbert Rick, Darmstadt, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C001/62 ;
U.S. Cl.
CPC ...
Abstract
The present invention relates to inorganic spherical absorption pigments which have a bimodal particle-size distribution, at least one color-providing layer and a final SiOlayer, and to the use thereof in paints, coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, as tracers, in cosmetic formulations and for the preparation of pigment preparations and dry preparations.