Method for making an offset printing plate according to the silver salt diffusion transfer process
US5905015A · kind A · utility
2Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1997 |
| Grant date | May 18, 1999 |
| Priority date | — |
| Expiry date | Dec 10, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/063
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides a finisher for a lithographic plateobtained by a DTR process 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) or (a) carbohydrate(s), characterized in that said finisher further comprises a non-proteinic hydrophilic film-forming binder selected from the group consisting of dextrin, maltodextrin and dextran in a concentration between 10 and 200 g/l.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.