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:
Jul. 25, 2006
Filed:
Jul. 01, 2002
Matthias Kuntz, Seeheim-Jugenheim, DE;
Reiner Delp, Darmastadt, DE;
Rodney Riddle, Poole, DE;
John Patrick, Wareham, GB;
Robert Hammond-smith, Fordingbridge, GB;
Matthias Kuntz, Seeheim-Jugenheim, DE;
Reiner Delp, Darmastadt, DE;
Rodney Riddle, Poole, DE;
John Patrick, Wareham, GB;
Robert Hammond-Smith, Fordingbridge, GB;
Merck Patent GmbH, Darmstadt, DE;
Abstract
The invention relates to an optically variable marking comprising a semiopaque substrate with a first surface that is covered with an optically variable layer that is for example a liquid crystal polymer layer or a layer comprising pearlescent pigments, and a second surface that is partially covered with a metal layer in the shape of a pattern, to methods of its preparation and to its use for decorative or security applications.