Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1987-04-17
1988-09-27
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...
430941, 430545, 430559, 526258, 526263, G03C 554, G03C 700
Patent
active
047741627
ABSTRACT:
A photographic element comprising a layer having a polymeric mordant which comprises repeating units represented by formula (I) and repeating units represented by at least one of formulae (II), (III) and (IV) ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represents a hydrogen atom or a straight or branched alkyl group,
REFERENCES:
patent: 4115124 (1978-02-01), Hamilton
patent: 4273853 (1981-06-01), Ponticello et al.
patent: 4450224 (1984-05-01), Klein et al.
patent: 4585724 (1986-04-01), Helling et al.
patent: 4594308 (1986-06-01), Nakamura et al.
patent: 4619883 (1986-10-01), Aono et al.
patent: 4636455 (1987-01-01), Aono et al.
Allowed U.S. application Ser. No. 07/086,245; Nakamura et al., filed 8/17/87.
Hirano Tsumoru
Shibata Takeshi
Fuji Photo Film Co. , Ltd.
Schilling Richard L.
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