Cyan dye-forming couplers

Details Cyan dye-forming couplers Cyan dye-forming couplers

1987-03-09

1988-08-09

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Chalcogen in the nitrogen containing substituent

C07D26536

Patent

active

047629258

ABSTRACT:
Cyan dye-forming 6-hydroxy-2H-1,4-benzoxazin-3-(4H)-one couplers, preferably cyan dye-forming couplers corresponding to the general formula: ##STR1## wherein R represents hydrogen or R"'--X--NH, R' represents hydrogen or a substituted or unsubstituted alkyl group, R" represents hydrogen or R.sup.iv --X--, X represents a member selected from the group consisting of --CO--, --SO.sub.2 --, --OCOCO--, --NHCO--, R"' and R.sup.iv represent a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group and Y and Z, the same or different, represent hydrogen, halogen and a substituted or unsubstituted alkyl or alkoxy group,
are described for use in silver halide color photographic processes and elements.

REFERENCES:
patent: 4460581 (1984-07-01), Schromm et al.
Cox et al, Chemical Abstracts, vol. 82 (1975), 26244a.
Schromm et al, Chemical Abstracts, vol. 93 (1980), 114558p.
Schromm et al, Chemical Abstracts, vol. 99 (1983), 5636r.
Hashimoto et al, Chemical Abstracts, vol. 100 (1984), 138358n.
Vavayannis et al, Chemical Abstracts, vol. 103 (1985), 22229d.
Kobayashi et al, Chemical Abstracts, vol. 105 (1986), 70070h.
Duckworth et al, Chemical Abstracts, vol. 105 (1986), 97484h.
Aoki et al, Chemical Abstracts, vol. 105 (1986), 162145q.

Affiliated with

Also associated with

Rating

Cyan dye-forming 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 Cyan dye-forming couplers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cyan dye-forming couplers will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-919480