Patent ID: 7015365
Filing Date: 2006-03-21
Classification: C07C

Abstract:
1. A continuous process for forming a cycloalkylidene bisphenol, comprising: reacting an aromatic hydroxy compound and a cycloalkanone compound in the presence of a sulfonic acid type ion exchange resin catalyst and a promoter; wherein said cycloalkanone compound is selected from the group consisting of substituted and unsubstituted tricyclo[5.2.1.0 forming the cycloalkylidene bisphenol having the formula: wherein [A] is a substituted or an unsubstituted aromatic group, R 1 –R 4 independently represent a hydrogen or a C 1 –C 12 hydrocarbyl group; and “a” and “b” are integers independently having values from 0 to 3.