Machine-readable security element for security products

US8540812B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Burkhard Krietsch · Dieburg, DE
• Matthias Kuntz · Seeheim-Jugenheim, DE
• Oliver Muth · Berlin, DE
• Manfred Paeschke · Wandlitz, DE
• Jakob Kuen · Berlin, DE

Key dates

• Filing date: Aug 5, 2011
• Grant date: Sep 24, 2013
• Expiry date: Sep 21, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/258
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a machine-readable security element for security products which comprises at least one particulate substance having electroluminescent properties and a transparent, electrically conductive pigment, to a priming ink for the production of a security element of this type, and to a security product which includes the security element.