Method for making positive working printing plates from a lithog

Details Method for making positive working printing plates from a lithog Method for making positive working printing plates from a lithog

1998-12-16

2000-03-07

Parker, Fred J.

Coating processes

Direct application of electrical, magnetic, wave, or...

Polymerization of coating utilizing direct application of...

427256, 427261, 101465, B05D 102, B05D 504, B05D 306

Patent

active

060337400

ABSTRACT:
According to the present invention there is provided a method for making lithographic printing plates including the steps of dispensing in a predetermined pattern curable hydrophobic ink from a printhead of a printer onto a lithographic base or polymerizable ink from a printhead of a printer onto a lithographic base which is coated with a polymerization initiator by spraying droplets of the ink onto the lithographic base in the predetermined pattern and curing the sprayed droplets of the ink upon the lithographic base, characterized in that the lithographic base comprises a flexible support having a cross-linked hydrophilic surface.

REFERENCES:
patent: 5312654 (1994-05-01), Arimatsu et al.
patent: 5501150 (1996-03-01), Leenders et al.
patent: 5511477 (1996-04-01), Adler et al.
patent: 5750314 (1998-05-01), Fromson et al.
patent: 5820932 (1998-10-01), Hallman et al.
patent: 5852975 (1998-12-01), Miyabe et al.

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