Heat-sensitive lithographic printing plate precursor
US6878503B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2002 |
| Grant date | Apr 12, 2005 |
| Priority date | — |
| Expiry date | Oct 9, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41C2210/24
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A heat-sensitive lithographic printing plate precursor comprising a support having provided thereon (A) an ink-receiving layer and (B) a hydrophilic layer comprising 80 to 99 parts by weight of a colloidal particulate oxide or hydroxide of at least one element selected from a group consisting of beryllium, magnesium, aluminum, silicon, titanium, boron, germanium, tin, zirconium, iron, vanadium, antimony and a transition metal, and 1 to 20 parts by weight of a polyacrylic acid having a weight-average molecular weight of more than 50,000, and at least one of the ink-receiving layer and the hydrophilic layer including a light-heat converting agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.