Patent · US Expired

Lithographic printing plate

US7045266B2 · kind B2 · utility

1Cited by
10References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 26, 2001
Grant dateMay 16, 2006
Priority date
Expiry dateApr 26, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41C1/1041
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A lithographic printing original plate, a lithographic printing plate using the lithographic printing original plate and a process for producing the lithographic printing plate are disclosed. The lithographic printing original plate has, on a substrate, a photosensitive layer made of a crosslinked polymer comprising a hydrophilic polymer, a crosslinking agent and a light absorbing compound or comprising a hydrophilic polymer, a crosslinking agent, a light absorbing compound and a hydrophobic polymer, and has properties that the photosensitive layer is changed from ink-repellent to ink-receptive by irradiation with a light.

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