Lithographic water based fountain solution concentrates

Details Lithographic water based fountain solution concentrates Lithographic water based fountain solution concentrates

1985-01-22

1986-01-14

Hayes, Lorenzo B.

Printing

Planographic

Processes of lithographic printing

B41M 106

Patent

active

045639523

ABSTRACT:
Lithographic fountain solution concentrates which are combined with water to form improved fountain solutions. The concentrates contain specific quantities of buffer salts resulting in improved printing process characteristics. The buffer salts are the salts of polycarboxylic acids and organic bases such as amines. The use of alcohol in the fountain solutions is eliminated or substantially reduced.

REFERENCES:
patent: 4116896 (1978-09-01), Garrett et al.
patent: 4278467 (1981-07-01), Fadner

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