Lithographic printing plate
US7045266B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2001 |
| Grant date | May 16, 2006 |
| Priority date | — |
| Expiry date | Apr 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.