Light-sensitive o-quinonediazide printing plate with oxonol dye

Details Light-sensitive o-quinonediazide printing plate with oxonol dye Light-sensitive o-quinonediazide printing plate with oxonol dye

1983-06-21

1985-02-05

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...

430190, 430191, 430192, 430278, 430302, 430512, 430522, 430592, G03C 160, G03C 194, G03F 708

Patent

active

044978880

ABSTRACT:
A light-sensitive printing plate precursor is disclosed. The printing plate precursor is comprised of an aluminum support base having provided on a grained and anodized surface. The surface is coated with a layer which is comprised of a positive working light-sensitive composition and an oxonol dye. The printing plate has high printing durability, high water retention ability and high color stain resistance. When used the plate precursor provides an image having high contrast. The plate precursor forms less color stain than conventional plates whether used with a fresh developing solution or a fatigued developing solution. The plate precursor does not result in causing uneven development when using manual development methods.

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patent: 4266014 (1981-05-01), Moelants et al.
patent: 4288534 (1981-09-01), Lemahieu et al.
patent: 4399210 (1983-08-01), Nagano et al.

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