Patent · US Active

Lithographic printing plate precursor

US8192918B2 · kind B2 · utility

2Cited by

9References

10Claims

0Family size

Assignee

AGFA GRAPHICS NV · BE

Inventors

Johan Loccufier · Zwijnaarde, BE
Philippe Moriame · Ekeren, BE
Stefaan Lingier · Assenede, BE

Key dates

Filing date	Apr 22, 2008
Grant date	Jun 5, 2012
Priority date	—
Expiry date	Mar 27, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41C2210/262
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A lithographic printing plate precursor is disclosed which comprises a support having a hydrophilic surface or which is provided with a hydrophilic layer, and a coating thereon, said coating comprising an IR absorbing agent and a contrast enhancing compound, characterized in that said contrast enhancing compound has the structure of formula (I). The printing plate comprising the contrast enhancing compound improves the thermoresponsivity of the coating and is capable of improving the resistance of the coating in the non-exposed areas against the alkaline developer.

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