Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1988-11-18
1989-08-08
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430389, G03C 736
Patent
active
048552224
ABSTRACT:
Dye images of high color yield and high gradation are obtained with a color photographic recording material containing 2-equivalent yellow couplers corresponding to formula I, particularly in modern rapid processing methods or in developers free from benzyl alcohol. ##STR1## R.sup.1, R.sup.2 (same or different) represent hydrogen, alkyl or halogen; R.sup.3 represents alkoxyalkyl or an alkyl radical substituted by a heterocyclic group containing at least one oxygen atom;
REFERENCES:
patent: 4049458 (1977-09-01), Boie et al.
patent: 4529691 (1985-07-01), Renner et al.
patent: 4617256 (1986-10-01), Kunitz et al.
Chem Abstracts 98:44120s "Photographic . . . Couplers", abstract of DE 3,107,173, Wolff et al, 1983.
Liebe Werner
Renner Gunter
Wiesen Heinz
Wolff Erich
Agfa-Gevaert Aktiengesellschaft
Schilling Richard L.
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