Lithographic printing plate
US4621041A · kind A · utility
32Cited by
9References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 1984 |
| Grant date | Nov 4, 1986 |
| Priority date | — |
| Expiry date | Jul 11, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/06
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is a method for plate-making which comprises imagewise exposing by scanning type flash exposure a lithographic printing plate comprising a support and at least a silver halide emulsion layer containing at least 70 mol % of silver chloride and prepared with addition of a water soluble iridium compound during emulsification or physical ripening of silver halide and a water soluble gold compound at any time before coating of the emulsion and thereafter subjecting the exposed emulsion to diffusion transfer development.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.