Silver halide emulsion containing yellow color couplers

Details Silver halide emulsion containing yellow color couplers Silver halide emulsion containing yellow color couplers

1977-04-26

1978-08-15

Brown, J. Travis

Gas separation: apparatus

Electric field separation apparatus

Collecting electrode details

96 22, 96 55, 96 74, 96100R, 260562R, G03C 140

Patent

active

041069420

ABSTRACT:
A yellow color forming photographic coupler represented by the following general formula (I) ##STR1## in which X represents an aliphatic group, an aromatic group or a heterocyclic group; Y represents a hydrogen atom or a coupling off group; R.sub.1 and R.sub.2 each represents an aliphatic group, or R.sub.1 and R.sub.2 can combine to form a ring; and R.sub.3 and R.sub.4 each represents a hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group.

REFERENCES:
patent: 3408194 (1968-10-01), Loria
patent: 3580721 (1971-05-01), Iwama et al.
patent: 3619190 (1971-11-01), Verbrugghe et al.
patent: 3770446 (1973-11-01), Sato et al.
patent: 4029508 (1977-06-01), Tanaka et al.

Affiliated with

Also associated with

Rating

Silver halide emulsion containing yellow color couplers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Silver halide emulsion containing yellow color couplers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Silver halide emulsion containing yellow color couplers will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1432478