Catalyst for synthesizing bisphenol and method for making same

Details Catalyst for synthesizing bisphenol and method for making same Catalyst for synthesizing bisphenol and method for making same

1982-01-25

1984-01-03

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ion-exchange polymer or process of preparing

526288, 525355, 525344, 5253335, 5253336, B01J 2026, B01J 3920

Patent

active

044242832

ABSTRACT:
A sulfonated organic polymer, such as a sulfonated polystyrene ion-exchange resin is provided having organic mercaptan groups attached to backbone sulfone radicals by covalent nitrogen-sulfur linkages. A method for making such sulfonated organic polymer is also provided. The ion-exchange resin can be used to effect phenol-ketone condensation in the synthesis of bisphenols.

REFERENCES:
patent: 3394089 (1968-07-01), McNutt et al.
patent: 4346247 (1982-08-01), Faler et al.
S. N. 273,005 C.I.P. of S. N. 172,936 Filing Date, 7/28/80 U.S. 7/31/79 W. German Priority.

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