Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1977-06-22
1980-06-24
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Diffusion transfer process, element, or identified image...
430238, 430376, 430380, 430393, 430564, 430566, G03C 554, G03C 140, G03C 900, G03C 110
Patent
active
042093287
ABSTRACT:
In a dye image forming process in color photography comprising imagewise exposing a photographic element comprising a support and a light sensitive silver halide emulsion layer, and processing the exposed photographic element with an alkaline processing solution in the presence of a dye developer whereby a dye image corresponding to the imagewise exposure is formed by oxidation of said developer as a function of development of silver halide, the improvement which comprises the dye developer being a mono azo dye developer represented by the following formula:
REFERENCES:
patent: 3134762 (1964-05-01), Husek
patent: 3186982 (1965-06-01), Green et al.
patent: 3241963 (1966-03-01), Green et al.
patent: 3307947 (1967-03-01), Idelson et al.
patent: 3930864 (1976-01-01), Abel et al.
Kobayashi Ryuichiro
Kunieda Naoshi
Mizukura Noboru
Oya Tadanori
Sato Yuzuru
Konishiroku Photo Industry Co,., Ltd.
Mitsubishi Chemical Industries Limited
Schilling Richard L.
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