Heat sensitive imaging element and a method for producing lithographic plates therewith
US5981144A · kind A · utility
16Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 1997 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Mar 27, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41C2210/262
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
According to the present invention there is provided a heat sensitive imaging element comprising on a hydrophilic surface of a lithographic base an image forming layer comprising hydrophobic thermoplastic polymer particles dispersed in a water insoluble alkali soluble or swellable resin and a compound capable of converting light into heat, said compound being present in said image forming layer or a layer adjacent thereto, characterized in that said alkali swellable or soluble resin comprises phenolic hydroxy groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.