Heat sensitive imaging element and a method for producing lithographic plates therewith
US5948591A · kind A · utility
25Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 1998 |
| Grant date | Sep 7, 1999 |
| Priority date | — |
| Expiry date | May 6, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/145
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
According to the present invention there is provided a heat sensitive imaging element comprising a lithographic base with a hydrophilic surface, an image forming layer including a hydrophobic thermoplastic polymer latex and a compound capable of converting light into heat being present in said image forming layer or a layer adjacent thereto, characterized in that the image forming layer includes an alkali soluble copolymer containing acetal groups and hydroxy groups which have at least partially reacted with a compound with at least two carboxyl groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.