Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1980-06-12
1982-02-09
Brown, Travis
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430544, 430957, G03C 140
Patent
active
043150705
ABSTRACT:
In high sensitivity color photographic recording materials the undesired color fog density is reduced by highly reactive DIR-compounds having an effective reaction velocity constant k.sub.eff of more than 20,000 [1 . mole.sup.-1 . sec.sup.-1 ] (measured at pH 10.2 by the method described hereinafter) in a concentration of from 10.sup.-5 to 10.sup.-3 mole per mole of silver halide, if contained in a light-sensitive silver halide emulsion layer or in a concentration of from 10.sup.-7 to 10.sup.-5 mole per gram of solids if contained in a silver-halide-free binder layer adjacent to a silver halide emulsion layer.
REFERENCES:
patent: 3958993 (1976-05-01), Fujiwhara et al.
patent: 4046574 (1977-09-01), Odenwalder et al.
patent: 4052213 (1977-10-01), Credner et al.
patent: 4088491 (1978-05-01), Odenwalder et al.
patent: 4133687 (1979-01-01), Chen et al.
Lohmann Joachim W.
Ranz Erwin
Schutz Heinz-Dieter
Agfa-Gevaert Aktiengesellschaft
Brown Travis
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