Lithographic ink obviating fountain additives

Details Lithographic ink obviating fountain additives Lithographic ink obviating fountain additives

2004-09-02

2008-03-11

Cain, Edward J. (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S161000

Reexamination Certificate

active

07342055

ABSTRACT:
A lithographic ink comprises an acid-functional styrenic copolymer and an acid. In one embodiment, the ink contains the copolymer and acid in amounts effective to allow the ink to print lithographically with a fountain containing essentially water. A lithographic printing system comprises a printing press with an ink reservoir containing this ink and a fountain containing essentially only water. The ink is printed lithographically using essentially only water from the fountain. In another embodiment, the lithographic printing system comprises a fountain containing a fountain solution or water and one or more lithographic fountain additives, and the ink is printed using the fountain solution or the water and one or more lithographic fountain additives.

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patent: 62236875 (1987-10-01), None
patent: WO 03/011988 (2003-02-01), None

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