Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1978-05-11
1981-03-03
Downey, Mary F.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430156, 430270, 430291, 430357, 430376, 430394, 430502, 430503, 430966, 430967, 430144, G03C 176, G03C 152, G03C 500, G03C 526
Patent
active
042542103
ABSTRACT:
To reduce silver coating weight in photographic silver halide elements (e.g., medical X-ray films) the density of the silver image is increased by forming a black-toned, direct positive image in a photopolymer layer on the reverse side from the silver image.
REFERENCES:
patent: 3313626 (1967-04-01), Whitney
patent: 3380831 (1968-04-01), Cohen
patent: 3649268 (1972-03-01), Chu
patent: 3778270 (1973-12-01), Roos
Downey Mary F.
E. I. Du Pont de Nemours and Company
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