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:
Nov. 25, 2008
Filed:
Apr. 27, 2004
Applicants:
Ulrich Schoenefeld, Bickenbach, DE;
Padma Kaviratna, Pooler, GA (US);
Inventors:
Ulrich Schoenefeld, Bickenbach, DE;
Padma Kaviratna, Pooler, GA (US);
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/00 (2006.01); C09C 1/36 (2006.01); C09C 3/06 (2006.01); C09D 11/02 (2006.01); C09D 5/36 (2006.01); C01G 23/047 (2006.01); A61K 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to photostabilised effect pigments in which one or more calcined and vanadium-containing oxide layers, alone or mixed with sulfates, borates or phosphates, have been applied to a substrate, to a process for the preparation thereof, and to the use thereof in plastics, paints, coatings, printing inks, cosmetics, films, in security printing, for laser marking, in thermal protection or for colouring seed.