Radiation imagery chemistry: process – composition – or product th – Color imaging process – Using identified radiation sensitive composition in the...
Patent
1982-11-01
1984-09-04
Brown, J. Travis
Radiation imagery chemistry: process, composition, or product th
Color imaging process
Using identified radiation sensitive composition in the...
430455, 430460, 430461, G03C 700
Patent
active
044697813
ABSTRACT:
The disclosed invention is a means for preventing the reduction of color density caused by the formation of leuco compounds from cyan dyes when processing color photographic materials with a bleach solution or a blix solution containing benzyl alcohol. The invention involves incorporating the compound shown by the following formula (I) in the bleach solution or blix solution: ##STR1## wherein X represents a hydrogen atom or an acetyl group; R represents an aryl group; and R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, each represents a hydrogen atom, an alkyl group or an aryl group.
REFERENCES:
patent: 3879202 (1975-04-01), Yamaguchi
patent: 3948659 (1976-04-01), Yamaguchi et al.
patent: 4040838 (1977-08-01), Yamaguchi
patent: 4366233 (1982-12-01), Nakamura
Ishikawa Takatoshi
Nakamura Takashi
Brown J. Travis
Fuji Photo Film Co. , Ltd.
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