Storage stability of a diazo-based imaging element for making a printing plate
US5618649A · kind A · utility
4Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 1996 |
| Grant date | Apr 8, 1997 |
| Priority date | — |
| Expiry date | May 6, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/0215
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides an imaging element comprising on a hydrophilic support a light sensitive layer containing a diazo resin or a diazonium salt characterized in that said light sensitive layer contains pullulan. The obtained imaging element shows an improved storage stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.