Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1990-08-31
1993-03-16
Springer, David B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
548251, 548253, 548255, 5483097, 5483044, 5483381, 5483451, 544235, C07D24918, C07D24904, C07D25704, C07D23528, C07D23300
Patent
active
051946238
ABSTRACT:
Novel compounds derived from azlactones act as precursors for photographically active groups. The active groups are released at an appropriate time in the use of photographic and photothermographic systems.
REFERENCES:
patent: 4137079 (1979-01-01), Houle
patent: 4138265 (1979-02-01), Shiao
patent: 4245033 (1981-01-01), Eida et al.
patent: 4378424 (1983-03-01), Altland et al.
patent: 4451561 (1984-05-01), Hirabayashi et al.
patent: 4837141 (1989-06-01), Kohno et al.
Research Disclosure 16977, "Antifoggants in certain photographic and photothermographic materials".
Krepski Larry R.
Simpson Sharon M.
Griswold Gary L.
Kirn Walter N.
Litman Mark A.
Minnesota Mining and Manufacturing Company
Springer David B.
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