Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1992-06-26
1994-05-24
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430509, 430375, 430376, 430382, 430383, 430434, G03C 146
Patent
active
053147944
ABSTRACT:
A process of producing a viewable photographic image is disclosed wherein an imagewise exposed photographic element containing at least two silver halide emulsion layers capable of recording within the same region of the spectrum and having differing threshold sensitivities produces during photographic processing spectrally distinguishable images. Separate image records are obtained from the emulsion layers, and the image record corresponding to the photographically superior image is preferentially employed in producing a viewable image.
REFERENCES:
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patent: 4184876 (1980-01-01), Eeles et al.
patent: 4267264 (1981-05-01), Lohmann et al.
patent: 4439520 (1984-03-01), Kofron et al.
patent: 4777122 (1988-10-01), Beltramini
Research Disclosure, Item 308119, Section VII, Subsection I, pp. 1000-1002, Dec. 1989, Kenneth Mason Publications Ltd.
Eastman Kodak Company
Neville Thomas R.
Schilling Richard L.
Thomas Carl O.
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