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:
May. 04, 2010
Filed:
Jun. 09, 2006
Applicants:
Helge Bettina Kniess, Roβdorf, DE;
Klaus Bernhardt, Groβ-Umstadt, DE;
Wolf-dietrich Weber, Pfungstadt, DE;
Gerhard Pfaff, Münster, DE;
Inventors:
Helge Bettina Kniess, Roβdorf, DE;
Klaus Bernhardt, Groβ-Umstadt, DE;
Wolf-Dietrich Weber, Pfungstadt, DE;
Gerhard Pfaff, Münster, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/00 (2006.01); C09C 3/00 (2006.01); C09D 5/36 (2006.01); C09D 7/12 (2006.01); C09D 11/02 (2006.01); C09D 17/00 (2006.01); A61K 8/19 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to semitransparent interference pigments having a neutral mass tone comprising a substrate and a coating comprising metallic tin and additionally at least one metal oxide, to a process for the preparation of these pigments, and to the use thereof.