Single-layer laser label

US5626966A · kind A · utility

Assignee

• BEIERSDORF AG · DE

Inventors

• Klaus Kulper · Pinneberg, DE
• Ralf Hirsch · Quickborn, DE

Key dates

• Filing date: Jun 2, 1995
• Grant date: May 6, 1997
• Expiry date: Jun 2, 2015

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31551
• WIPO field: Audio-visual technology
• WIPO sector: Electrical engineering

Abstract

Single-layer laser label comprising a PA1 a) backing layer of plastic, which PA1 b) contains an additive which changes color under laser irradiation and which PA1 c) is coated on one side with a self-adhesive composition which PA1 d) is optionally covered with a release paper or a release film.