Method for making a lithographic offset plate by the silver salt

Details Method for making a lithographic offset plate by the silver salt Method for making a lithographic offset plate by the silver salt

1994-02-01

1995-04-11

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...

430244, 430248, 430398, 430432, 430463, G03C 800, G03C 554

Patent

active

054057299

ABSTRACT:
The present invention provides a method for making an offset printing plate according to the silver salt diffusion transfer process using rinsing water, characterized in that said rinsing water before washing at most 20 m.sup.2 of said exposed and developed imaging element and/or before being in use for more than 24 hours is brought in contact with (i) a metal of the group IB or IIB or VIII of the periodic table or (ii) with an alloy containing at least one of said metals or (iii) with a salt containing an ion of at least one of said metals.

REFERENCES:
patent: 2199904 (1940-05-01), Alburger
patent: 2321347 (1943-06-01), Alburger
patent: 3020155 (1962-02-01), Yackel et al.
patent: 3167429 (1965-01-01), Levy
patent: 5055381 (1991-10-01), Abe et al.
patent: 5077179 (1991-12-01), Abe et al.
patent: 5196290 (1993-03-01), Coppens et al.
patent: 5273858 (1993-12-01), Coppens et al.
Battaglia et al, "Hardening Fix Baths . . . ", Research Disclosure No. 18, 728, Nov. 1979, pp. 625+626.

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