Black-and-white film from which color images can be extracted

Details Black-and-white film from which color images can be extracted Black-and-white film from which color images can be extracted

1996-01-16

1996-07-30

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Two or more radiation-sensitive layers containing other than...

430 21, 430215, 430220, 430363, 430367, G03C 1825, G03C 146, G03C 516, G03C 746

Patent

active

055410464

ABSTRACT:
An accurate digital representation of a color photograph can be obtained by proper registration of blue, green, and red images taken from a black-and-white photographic film having a unique structure including an antiabrasion layer, a first silver halide emulsion layer with silver grains which are sensitive to blue light, a filter layer being transmissive to a band of wavelengths corresponding to a given color other than blue, a timing layer for delaying penetration of processing fluids, a second silver halide emulsion layer with silver grains which are sensitive to the given color, and a base. The film excludes image dyes, dye developers or dye forming materials. The film also excludes components for emitting electromagnetic radiation at a wavelength different than a received wavelength.

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patent: 5391443 (1995-02-01), Simons et al.
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patent: 5420003 (1995-05-01), Gasper et al.
EPO Publication No. 0526931, 10 Feb. 1993, M. J. Simons et al.
Research Disclosure, Apr. 1995, No. 372, pp. 254-9, Kenneth Mason Pub. Ltd.

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