Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1990-06-19
1991-12-24
Page, Thurman K.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568728, C07C 3912, C07C 3916
Patent
active
050755110
ABSTRACT:
Bisphenol-A is prepared by reacting an excess of phenol with acetone in the presence of a modified sulfonic acid cationic exchange resin catalyst having a plurality of sulfonic acid sites of the general formula ##STR1## in which IER represents the ionic exchange resin backbone, each a and b is an integer from 0 to about 5, and each R is selected independently from H, OH, SH and alkyl groups. The catalyst exhibits high activity and selectivity at moderate reaction temperatures, low production of colored impurities, and high stability.
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Chem. Abstracts vol. 96, entry 86122h.
Kulkosky Peter F.
Page Thurman K.
Shell Oil Company
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