Selected trinuclear novolak oligomers and their use in photoacti

Details Selected trinuclear novolak oligomers and their use in photoacti Selected trinuclear novolak oligomers and their use in photoacti

1990-06-08

1991-02-12

Lone, Werren B.

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

Organic compounds

Oxygen containing

568718, 430165, 430190, 430192, 534557, C07C 3912

Patent

active

049925962

ABSTRACT:
A trinuclear novolak oligomer of the formula (I): ##STR1## wherein each X is selected from the group consisting of hydroxyl group and halide group and Y is selected from the group consisting of a lower alkyl group having 1-4 carbon atoms and halogen atom.

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