Radiation imagery chemistry: process – composition – or product th – Color imaging process – Using identified radiation sensitive composition in the...
Patent
1987-12-14
1989-08-01
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Color imaging process
Using identified radiation sensitive composition in the...
430505, 430555, G03C 738
Patent
active
048533190
ABSTRACT:
Novel pyrazolone photographic couplers contain in the coupling position a coupling-off group represented by the formula: ##STR1## wherein: L.sub.1 and L.sub.2 individually are unsubstituted or substituted methylene or ethylene;
REFERENCES:
patent: 3935015 (1976-01-01), Arai et al.
patent: 4351897 (1982-09-01), Aoki et al.
patent: 4413054 (1983-11-01), Mitsui et al.
patent: 4483918 (1984-11-01), Sakai et al.
patent: 4556630 (1985-12-01), Furutachi et al.
patent: 4585728 (1986-04-01), Furutachi et al.
patent: 4595650 (1986-06-01), Furutachi et al.
Buckland Paul R.
Johnston Brian H.
Kilminster Kenneth N.
Krishnamurthy Sundaram
Vogel David C.
Buscher Mark R.
Eastman Kodak Company
Knapp Richard E.
Michl Paul R.
LandOfFree
Photographic silver halide element and process does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Photographic silver halide element and process, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photographic silver halide element and process will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-131118