"""Antifalsification"" paper having a thread or band shaped security element and a method of producing same"

US6030691A · kind A · utility

Assignee

• GIESECKE & DEVRIENT GMBH · DE

Inventors

• Theo Burchard · Tegernsee, DE
• Christian Schmitz · Wilrijk, BE
• Michael Bohm · Heimstetten, DE

Key dates

• Filing date: Aug 5, 1997
• Grant date: Feb 29, 2000
• Expiry date: Aug 5, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T442/608
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

An antifalsification paper having a security element in the form of a thread or band that consists of a translucent plastic film with an at least partly opaque coating. The coating has translucent areas in the form of visually and/or machine readable characters or patterns that form first information. In addition second information in the form of visually and/or machine readable characters or patterns is disposed on the plastic film, differing from the first information with respect to its size and/or visual impression.