Selected block phenolic oligomers and their use in radiation-sen

Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...

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430165, 430193, 430326, 528155, G03F 7023, G03F 732

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active

051962896

ABSTRACT:
Block phenolic oligomers of the formula (I): ##STR1## These may be reacted alone or 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##

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