Aqueous developer for lithographic printing plates
US6316171A · kind A · utility
1Cited by
0References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2000 |
| Grant date | Nov 13, 2001 |
| Priority date | — |
| Expiry date | Oct 13, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/322
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention is directed to an aqueous developing composition which is useful in developing negative-working lithographic printing plates. More particularly, the developing composition includes an organic solvent, a surfactant, and a gelatin, which is present as more than 3% by weight of the total developer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.