Positive-working color proofing film and process
US4849322A · kind A · utility
8Cited by
9References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 6, 1988 |
| Grant date | Jul 18, 1989 |
| Priority date | — |
| Expiry date | Jan 6, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/113
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Photopolymer positive surprint color proofing film based on epoxy acrylate monomer exhibits low dot gain, low time dependence of toning and good tonal range. Binder can be methylmethacrylate/ethyl acrylate/acrylic acid copolymer, preferably cross-linked with zinc ions and plasticized with a second acrylate monomer and a mixture of triacetin and trimethylol propane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.