Method for extending the activity of acidic ion exchange catalys

Details Method for extending the activity of acidic ion exchange catalys Method for extending the activity of acidic ion exchange catalys

1994-05-10

1995-05-09

Lone, Werren B.

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

Organic compounds

Oxygen containing

568722, 568723, 568724, 568728, C07C 3720, C07C 3916

Patent

active

054141524

ABSTRACT:
The addition of 3-mercaptopropionic acid or the organic ester thereof to the reaction mixture slows the rate of deactivation of cationic catalyst resins containing mercaptan promoter sites, during preparation of bisphenols by the condensation of a ketone with a phenol.

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