Patent · US Active

Lithographic printing plate precursor

US11813838B2 · kind B2 · utility

0Cited by

3References

15Claims

0Family size

Assignee

Agfa Offset BV · BE

Inventors

Thomas Billiet · Mortsel, BE
Eva Vermeiren · Mortsel, BE

Key dates

Filing date	May 13, 2019
Grant date	Nov 14, 2023
Priority date	—
Expiry date	Jul 18, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41C2210/22
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A lithographic printing plate precursor is disclosed including a support and a coating comprising (i) a photopolymerisable layer including a polymerisable compound and a photoinitiator, and a toplayer provided above the photopolymerisable layer; characterized in that the toplayer has a thickness comprised between 0.1 g/m2 and 1.75 g/m2 and includes an infrared absorbing compound which includes a thermocleavable group which transforms into a group which is a stronger electrondonor upon exposure to heat and/or IR radiation, and is capable of forming a printout image upon exposure to heat and/or IR radiation.

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