Presensitized printing plate having a print-out image

Details Presensitized printing plate having a print-out image Presensitized printing plate having a print-out image

1977-02-10

1979-02-13

Brammer, Jack P.

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

96115R, 96 351, 20415918, 20415923, 20415924, G03C 168

Patent

active

041393902

ABSTRACT:
A presensitized printing plate contains a leuco dye and an organic azide to provide a print-out image when the presensitized plate is exposed to light. Development of the plate may remove the print-out image but provides a relief image which may be dyed or pigmented. The light sensitive unsaturated materials used to provide the relief image include photocrosslinkable unsaturated polymers containing the moiety ##STR1## as part of the polymer backbone.

REFERENCES:
patent: 3030208 (1962-04-01), Schellenberg et al.
patent: 3113024 (1963-12-01), Sprague et al.
patent: 3121632 (1964-02-01), Sprague et al.
patent: 3282693 (1966-11-01), Sagura et al.
patent: 3591377 (1971-07-01), Alsup
patent: 3615565 (1971-10-01), Gerlack et al.
patent: 3617278 (1968-03-01), Holstead et al.
patent: 3619194 (1971-11-01), Mitchell
patent: 3622320 (1971-11-01), Allen
patent: 3775112 (1973-11-01), Alsup et al.
patent: 3929489 (1975-12-01), Areesi et al.
Hachk's Chemical Dictionary, 3rd edition, 1944, p. 848.

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