Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1980-05-30
1981-09-22
Brust, Joseph P.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
430221, 548207, C07D20908
Patent
active
042909503
ABSTRACT:
In one embodiment, the present invention is concerned with novel xanthene compounds of the formula ##STR1## wherein X is ##STR2## wherein R' is alkyl, Y is an electron-withdrawing group and n is 0 or 1. In another embodiment, the present invention is concerned with photographic products and processes employing these xanthene compounds.
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Cournoyer Richard L.
Foley James W.
Brust Joseph P.
Campbell Sybil A.
Polaroid Corporation
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