Patent · US Active

Laser markable compositions, articles and documents

US10286708B2 · kind B2 · utility

0Cited by

3References

12Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

Fabienne Goethals · Mortsel, BE
Johan Loccufier · Zwijnaarde, BE
Dirk Kokkelenberg · Sint-Niklaas, BE
Lionel Petton · Mortsel, BE

Key dates

Filing date	May 18, 2016
Grant date	May 14, 2019
Priority date	—
Expiry date	May 18, 2036

Classification

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

Abstract

A laser markable composition includes (a) an aqueous medium; (b) capsules composed of a polymeric shell surrounding a core; (c) a color developing agent or color developing agent precursor; and (d) an optothermal converting agent; characterized in that the core of the capsule contains a leuco dye.

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