Patent · US Active

Colour laser markable laminates and documents

US9931878B2 · kind B2 · utility

0Cited by
1References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 18, 2014
Grant dateApr 3, 2018
Priority date
Expiry dateDec 18, 2034

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41M2205/42
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A colour laser markable laminate includes a colour laser markable layer including a leuco dye and an infrared absorbing compound, an optional adhesive layer, a polymeric support, an optional outerlayer, wherein the colour laser markable layer further includes an acid scavenger. The support, the optional adhesive layer, or the optional outer layer includes a UV absorbing compound.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.