Method for making a diffusion transfer lithographic printing pla

Details Method for making a diffusion transfer lithographic printing pla Method for making a diffusion transfer lithographic printing pla

1980-07-01

1982-10-19

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

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

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

430234, 430251, 430455, 430456, G03C 554

Patent

active

043550908

ABSTRACT:
Method for making lithographic printing plates by silver salt diffusion transfer process is disclosed. That is, lithographic printing plates having excellent printing endurance are obtained by carrying out the diffusion transfer processing in the presence of a compound having the ring structure ##STR1## which may be present in at least one constitutive layer of the printing plate materials (photographic materials) used for making the printing plates or in the diffusion transfer processing solution.

REFERENCES:
patent: T880001 (1969-02-01), Yudelson et al.
patent: 3060028 (1962-10-01), Dersch
patent: 3385701 (1968-05-01), Ormsbee
patent: 3776728 (1973-12-01), Suzuki et al.
patent: 3904412 (1975-09-01), Serrien et al.

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