Methods for preparing 1,1,1-tris(4-hydroxyphenyl)alkanes

Details Methods for preparing 1,1,1-tris(4-hydroxyphenyl)alkanes Methods for preparing 1,1,1-tris(4-hydroxyphenyl)alkanes

2007-12-04

2007-12-04

Eyler, Yvonnie (Department: 1621)

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

Organic compounds

Oxygen containing

C552S115000

Reexamination Certificate

active

11046921

ABSTRACT:
A method for preparing 1,1,1,-tris(4-hydroxyphenyl)alkanes generally comprises reacting a mixture of an aromatic hydroxy compound and a ketone in the presence of at least one ion exchange resin catalyst and optionally a co-catalyst to produce the 1,1,1-tris(4-hydroxyphenyl)alkanes of formula:

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