Negative tonable photosensitive reproduction elements

Details Negative tonable photosensitive reproduction elements Negative tonable photosensitive reproduction elements

1981-06-17

1982-08-24

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430271, 430905, 430919, 430920, G03C 168

Patent

active

043461620

ABSTRACT:
A nonsilver photosensitive reproduction element for preparing negative tonable images which comprises a support bearing a layer of a photosensitive composition which comprises at least one thermoplastic binder, at least one thio compound of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are as defined, and at least one hexaarylbisimidazole compound as defined. Optionally plasticizers, stabilizers, etc. can be present in the photosensitive layer. The photosensitive element is useful in preparing negative tonable images.

REFERENCES:
patent: 3479185 (1969-11-01), Chabbers
patent: 3615454 (1971-10-01), Cescon et al.
patent: 3652275 (1972-03-01), Baum et al.
patent: 4243741 (1981-01-01), Abele et al.
patent: 4271260 (1981-06-01), Abele et al.

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