Process for preparation of modified ion-exchange resin

Details Process for preparation of modified ion-exchange resin Process for preparation of modified ion-exchange resin

1976-07-26

1977-08-30

Schofer, Joseph L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 795NV, 260619A, C08F 834, C07C 3700

Patent

active

040453790

ABSTRACT:
An improved process for preparing bisphenols is described wherein a phenol is reacted with a ketone or aldehyde such as acetone in the presence of an ion-exchange resin modified by partial neutralization with p-aminothiophenol.

REFERENCES:
patent: 3634341 (1972-01-01), Gammill et al.
patent: 3760006 (1973-09-01), Gammill et al.

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