Negative tonable systems containing dihydropyridines and photoox

Details Negative tonable systems containing dihydropyridines and photoox Negative tonable systems containing dihydropyridines and photoox

1978-12-21

1981-01-06

Louie, Jr., Won H.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430916, 430920, G03C 168

Patent

active

042437415

ABSTRACT:
A photosensitive element for preparing negative tonable images which comprises a support bearing a layer of a photosensitive composition comprising a thermoplastic binder, at least one dihydropyridine compound and at least one hexaarylbiimidazole compound. Optionally softeners and sensitizer can be present in the photosensitive layer. The photosensitive element is useful in preparing negative tonable images.

REFERENCES:
patent: 3901710 (1975-08-01), Ranz et al.
patent: 4017313 (1977-04-01), Hartzler
patent: 4181531 (1980-01-01), Pilz

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