Process for making lithographic printing plates

Details Process for making lithographic printing plates Process for making lithographic printing plates

1983-10-13

1985-02-26

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430230, 430246, 430588, 430945, G03C 554, G03C 119

Patent

active

045018111

ABSTRACT:
Disclosed is a process for making a lithographic printing plate by utilizing the silver complex diffusion transfer process and using a neon-helium laser or an LED which comprises imagewise exposing to the radiation a photosensitive element including an emulsion layer which is spectrally sensitized with an anion- or betaine-type meso-substituted trimethine cyanine dye having at least one .beta.-naphthothiazole nucleus and developing the element by the silver complex diffusion transfer process.

REFERENCES:
patent: 3177210 (1965-04-01), Rosenoff
patent: 3459553 (1969-08-01), Walworth
patent: 3776739 (1973-12-01), Sato et al.
patent: 3867146 (1975-02-01), Nakazawa et al.
patent: 4134769 (1979-01-01), Yoshida et al.

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