Polyphenolic compounds
AssigneeGeneral Electric Company
InventorVictor Mark
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Abstract
Novel polyphenolic compounds are disclosed. These compounds have utility as branching agents in the production of novel, randomly branched polycarbonates.
Claims6
A polyphenolic compound of the formula
- wherein Ar is a mono, -di- or trinuclear aromatic C.sub.6-14 hydrocarbon radical;
- R is hydrogen or a C.sub.1 -C.sub.5 alkyl radical;
- each X substituent is independently selected from H, Cl, Br, C.sub.1 -C.sub.5 alkyl and phenyl;
- and n is either 2, 3 or 4.
The compound .alpha.,.alpha.,.alpha.',.alpha.'-tetrakis(4-hydroxyphenyl)-1,4-diethylben zene.
The compound .alpha.,.alpha.,.alpha.',.alpha.'-tetrakis(4-hydroxyphenyl)-1,3-diethyl-5- acetylbenzene.
The compound .alpha.,.alpha.,.alpha.',.alpha.'-tetrakis(4-hydroxy-3-methylphenyl)-1,3-d iethylbenzene.
The compound .alpha.,.alpha.,.alpha.',.alpha.'-tetrakis(4-hydroxy-3-methylphenyl)-p-xyl ene.
The compound .alpha.,.alpha.,.alpha.',.alpha.',.alpha.",.alpha."-hexakis(4-hydroxypheny l)-1,3,5-triethylbenzene.
Dependencies are inferred from the claim text.