Light-sensitive diazo photopolymerizable composition with polyurethane having carbon-carbon unsaturated and a carboxyl group
US4877711A · kind A · utility
31Cited by
12References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 1987 |
| Grant date | Oct 31, 1989 |
| Priority date | — |
| Expiry date | May 12, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/107
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A light-sensitive composition which contains a polyurethane resin having a carbon-carbon unsaturated bond and a carboxyl group. A presensitized plate using the above light-sensitive composition can be developed with an aqueous alkaline developing solution and provides a lithographic printing plate having excellent printing durability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.