Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1992-11-23
1993-06-15
Reamer, James H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C07C 49245
Patent
active
052200736
ABSTRACT:
A trihydroxybenzophenone compound of the formula (I): ##STR1## wherein R.sub.1 is selected from the group consisting of hydroxyl group, halide group, a lower alkyl group having 1 to 4 carbon atoms, and a lower alkoxy group having 1 to 4 carbon atoms.
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Toukhy et al, Chem. Abst., vol. 112, #27934a (1990).
Jeffries, III Alfred T.
Toukhy Medhat A.
OCG Microelectronic Materials Inc.
Reamer James H.
Simons William A.
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