Lithographic printing plate precursor including (ethylene, vinyl acetal) copolymers
US10232658B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2015 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Aug 14, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/0388
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A positive-working lithographic printing plate includes a support having a hydrophilic surface or a hydrophilic layer, and a heat- and/or light-sensitive coating provided including at least two different (ethylene vinyl) acetal copolymer including a plurality of ethylenic moieties A having a structure according to the following formula: wherein R2 and R3 independently represent hydrogen, a halogen or an optionally substituted linear, branched, or cyclic alk(en)yl group, or an optionally substituted aromatic or heteroaromatic group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.