Selected methylol-substituted trihydroxybenzophenones and their

Details Selected methylol-substituted trihydroxybenzophenones and their Selected methylol-substituted trihydroxybenzophenones and their

1992-09-30

1993-08-24

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C07C 49245

Patent

active

052391221

ABSTRACT:
A methylol-substituted trihydroxybenzophenone of the formula (I): ##STR1## This methylol-substituted trihydroxybenzophenone may be reacted with selected phenolic monomers during or after the formation of a phenolic novolak resin thereby said resin having at least one unit of formula (II): ##STR2## wherein R and R.sub.1 are individually selected from hydrogen, a lower alkyl group having 1 to 4 carbon atoms or a lower alkoxy group having 1 to 4 carbon atoms.

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