CATALYST PROMOTOR FOR THE MANUFACTURE OF POLYPHENOLS

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United States of America Patent

APP PUB NO 20020177740A1
SERIAL NO

09834460

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Abstract

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A process for the manufacture of a polyphenol compound such as bisphenol-A by introducing into a reaction zone a phenolic compound reactant, a carbonyl compound reactant, and a catalyst promoter comprising a dithioketal compound, and reacting the ingredients within the reaction zone in the presence of an acid catalyst.

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Patent Owner(s)

Patent OwnerAddress
BADGER LICENSING LLCONE FINANCIAL CENTER BOSTON MA 02111

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Palmer, David Katy, US 70 2022
Wong, Pui Kwan Houston, US 27 308

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