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:
Aug. 16, 2005
Filed:
Sep. 27, 2002
Applicants:
Reiner Vogt, Darmstadt, DE;
Gerhard Pfaff, Münster, DE;
Stephanie Andes, Hanau, DE;
Michael Uhlig, Darmstadt, DE;
Martin Friz, Darmstadt, DE;
Katsuhisa Nitta, Iwaki, JP;
Inventors:
Reiner Vogt, Darmstadt, DE;
Gerhard Pfaff, Münster, DE;
Stephanie Andes, Hanau, DE;
Michael Uhlig, Darmstadt, DE;
Martin Friz, Darmstadt, DE;
Katsuhisa Nitta, Iwaki, JP;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C001/62 ;
U.S. Cl.
CPC ...
Abstract
A pigment with a metallic luster, comprising a wafer-like substrate made of aluminium dioxide having a thickness of more than 250 nm and less than 1 μm, which is fully enveloped by a metal layer.