Lithographic printing plates having a hydrophilic barrier layer

Details Lithographic printing plates having a hydrophilic barrier layer Lithographic printing plates having a hydrophilic barrier layer

1993-05-25

1994-11-29

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430159, 430160, 430278, 430302, G03F 7095, G03F 711

Patent

active

053689747

ABSTRACT:
Improved lithographic printing plates are comprised of an aluminum support, a hydrophilic barrier layer comprised of a copolymer of about 40 to about 90 mole percent vinylphosphonic acid and about 10 to about 60 mole percent acrylamide overlying said support, and an image-forming layer capable of providing a lithographic printing surface overlying said barrier layer.

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patent: 4578156 (1986-03-01), Plazter
patent: 4689272 (1987-08-01), Simon et al.

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