Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1980-05-30
1981-09-22
Brust, Joseph Paul
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
430221, 260335, 260325R, 548207, C07D31182
Patent
active
042909554
ABSTRACT:
In one embodiment, the present invention is concerned with novel xanthene compounds of the formula ##STR1## wherein each R.sup.1 the same or different is hydrogen or alkyl, each R.sup.2 the same or different is alkyl or phenyl, R.sup.3 is phenyl or alkyl, Y is an electron-withdrawing group and A is an anion. In another embodiment, the present invention is concerned with photographic products and processes employing these xanthene compounds.
REFERENCES:
patent: 1879537 (1932-09-01), Schneider
patent: 1994876 (1935-03-01), Schneider et al.
patent: 2182794 (1939-12-01), Dawson
patent: 2203767 (1940-06-01), Baldsiefen
patent: 2203768 (1940-06-01), Baldsiefen
patent: 2350090 (1944-05-01), Beilenson
patent: 3005711 (1961-10-01), Burgardt et al.
patent: 3406069 (1968-10-01), Overman
patent: 3615548 (1971-10-01), Chai
patent: 3713770 (1973-01-01), Mundlos et al.
patent: 3723116 (1973-03-01), Kinjo et al.
patent: 3849065 (1974-11-01), Schmeidl
patent: 3883529 (1975-05-01), Austin
patent: 3922283 (1975-11-01), Yahagi et al.
patent: 4178446 (1979-12-01), Bloom et al.
Beilstein's Handbuch der Organischer Chemie, vol. 27, p. 534, (1937).
Cincotta Louis
Foley James W.
Brust Joseph Paul
Campbell Sybil A.
Polaroid Corporation
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