Silver halide emulsions containing polymeric color couplers

Details Silver halide emulsions containing polymeric color couplers Silver halide emulsions containing polymeric color couplers

1977-06-06

1978-12-05

Brown, J. Travis

Gas separation: apparatus

Electric field separation apparatus

Collecting electrode details

96114, G03C 140

Patent

active

041284275

ABSTRACT:
Polymeric color couplers with improved light stability comprising in addition to color coupler units, competing coupler units and one or more copolymerized non-coupling monomeric units, thereof the weight ratio of the color coupler units to the competing coupler units is between 10:1 and 1:2 and the weight ratio of the copolymerized non-coupling monomeric units is at least 5%.

REFERENCES:
patent: 3580722 (1971-05-01), Sakamoto et al.
patent: 3912513 (1975-10-01), Monbaliu et al.
patent: 3926436 (1975-12-01), Monbaliu et al.

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