Concentrated dampening solution with citrate anions for printing

Details Concentrated dampening solution with citrate anions for printing Concentrated dampening solution with citrate anions for printing

1996-04-17

1997-08-19

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Finishing or perfecting composition or product

430204, 430463, 101451, 101465, 106 2, G03F 707, G03F 726, B41N 300

Patent

active

056587139

ABSTRACT:
The present invention provides a concentrated dampening solution for use in a lithographic printing process having a pH between 3 and 6 and comprising a water-soluble organic solvent, a phosphate salt and a transparent pigment in an amount between 1 g/l and 30 g/l, characterized in that said concentrated dampening solution further contains a total concentration of citrate anions between 0.5 mmole and 25 mmole/l.

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patent: 5525455 (1996-06-01), Kurokawa et al.
patent: 5536618 (1996-07-01), De Keyzer et al.
patent: 5536817 (1996-07-01), Michiels et al.
patent: 5587271 (1996-12-01), Heugebaert et al.

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