Method for making an offset printing plate according to the silver salt diffusion transfer process
US5518866A · kind A · utility
8Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 1995 |
| Grant date | May 21, 1996 |
| Priority date | — |
| Expiry date | Mar 10, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/063
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides a finisher comprising (a) hydrophobizing agent(s) in a total concentration between 0.1 g/l and 10 g/l, (a) surface-active compound(s) and (a) polyglycol(s), characterized in that said polyglycol(s) comprise(s) at least 50% by weight ethyleneoxide groups and/or propyleneoxide groups whose total sum is at least 7 and is (are) present in said finisher in a total amount of at least 10 g/l and there is further provided a method for making an offset printing plate according to the silver salt diffusion transfer process therewith.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.