Patent · US Active

Laser markable compositions, materials and documents

US10286707B2 · kind B2 · utility

0Cited by
1References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 19, 2015
Grant dateMay 14, 2019
Priority date
Expiry dateMay 19, 2035

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41M2205/04
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A color laser markable composition includes at least a first and a second Diffusion Hindered Molecular Assembly (DHMA), each including a leuco dye and, respectively, a first and second sensitizer. With the laser markable composition, at least two different colors may be formed in a single layer.

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