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:
Jun. 29, 1993
Filed:
Nov. 15, 1990
Applicant:
Inventors:
Constanze Prengel, Weiterstadt, DE;
Klaus-Dieter Franz, Kelkheim, DE;
Hartmut Hartner, Muhltal, DE;
Manfred Kieser, Darmstadt, DE;
Axel von Daacke, Munich, DE;
Klaus Bernhardt, Gross Umstadt, DE;
Assignee:
Merck Patent Gesellschaft mit beschrankter Haftung, Darmstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ; B32B / ; B05D / ;
U.S. Cl.
CPC ...
430 39 ; 430 10 ; 428207 ; 428324 ; 427331 ; 4273722 ; 427487 ; 427500 ; 427511 ; 427514 ;
Abstract
Materials coated with plate-like pigments and characterized in that the coating shows structuring in defined areas due to a difference in the orientation of the pigment particles are highly suitable in the area of general security printing.