Process for preparing bisphenols

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

Reexamination Certificate

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Reexamination Certificate

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07321069

ABSTRACT:
A process for preparing aromatic bisphenols, wherein the method comprises reacting an aromatic hydroxy compound with an alkylating agent having a functionality of two in the presence of a catalyst system. The catalyst system used for the process is selected from the group consisting of a heteropolyacid compound, a clay, a functionalized metal oxide catalyst and combinations of the foregoing.

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JP07003002; Jan. 6, 1995; (1 pg).

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