Color diffusion transfer photographic elements

Details Color diffusion transfer photographic elements Color diffusion transfer photographic elements

1977-06-29

1979-04-17

Schilling, Richard L.

Gas separation: apparatus

Electric field separation apparatus

Plural diverse electric fields

96 29D;99, G03C 140, G03C 554, G03C 110

Patent

active

041498925

ABSTRACT:
A novel color diffusion transfer photographic element is disclosed which is characterized as having a photosensitive element containing a compound represented by the formula ##STR1## wherein A represents oxygen or a group of the formula .dbd.NR (in which R represents hydroxyl or an amino group); X represents hydrogen or halogen; Z represents a group of nonmetallic atoms necessary to form a first ring and being a 5 to 7-membered nonaromatic hydrocarbon ring which may be fused with a second ring, at least one of said first ring and said second ring having one or more substituents wherein at least one of said substituents is a ballast group which renders said compound nondiffusible during processing with said solution; J represents a divalent group; D represents a dye moiety or a dye precursor moiety; and n represents zero or 1.

REFERENCES:
patent: B351673 (1975-01-01), Fleckenstein et al.
"Photographic Systems" Fleckenstein, Research Disclosure, No. 13024 2/1976.

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