Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1978-10-19
1980-03-18
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...
428500, 526 522, 526305, 526307, 430238, 430644, G03C 554, G03C 140, C03C 1706, C03C 2100
Patent
active
041938003
ABSTRACT:
A photographic element particularly for the color diffusion transfer process having a support and an image pattern receiving layer which comprises a polymer containing at least 10 mole percent of a repeating unit of the formula: ##STR1## wherein R.sub.1 represents a hydrogen atom or a methyl group; R.sub.2, R.sub.3 and R.sub.4 each represent an alkyl group, an aralkyl group, a cycloalkyl group or a cycloalkylalkyl group; and X.sup..sym. represents a monovalent anion.
REFERENCES:
patent: 3709690 (1973-01-01), Cohen et al.
patent: 3958995 (1976-05-01), Campbell et al.
Asano Masao
Iwama Hideaki
Koyama Mikio
Tsuda Yasuo
Konishiroku Photo Industry Co,., Ltd.
Schilling Richard L.
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