Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing
Patent
1999-03-23
2000-10-17
Wood, Elizabeth D.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Organic compound containing
502216, 502168, 5253335, B01J 3100, B01J 3106, B01J 3110
Patent
active
061331902
ABSTRACT:
A catalyst useful for the condensation of an aldehyde or ketone starting material with a phenol is an insoluble mercaptosulfonic acid compound. The heterogeneous catalysts comprise catalytically-active species represented by the formula: ##STR1## L is an optional linking group and--is a bond, which catalytically-active species is attached by the bond--to an insoluble organic or inorganic support;
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P. Tundo, "Easy
Tasset Emmett L.
Walters Marlin E.
Wehmeyer Richard M.
The Dow Chemical Company
Wood Elizabeth D.
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