Organic compounds -- part of the class 532-570 series – Organic compounds – Carbonate esters
Patent
1999-04-29
2000-09-05
Ambrose, Michael G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbonate esters
558271, 558272, 558273, 502164, 502302, 502304, 502324, 502325, 502326, 502345, 502353, C07C 6800
Patent
active
061145637
ABSTRACT:
A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system that includes a catalytic amount of an inorganic co-catalyst containing bismuth. In various alternative embodiments, the carbonylation catalyst system can include an effective amount of a palladium source and an effective amount of a halide composition. Further alternative embodiments can include catalytic amounts of various inorganic co-catalyst combinations.
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Cawse James Norman
Johnson Bruce Fletcher
Shalyaev Kirill
Spivack James Lawrence
Whisenhunt, Jr. Donald Wayne
Ambrose Michael G.
Crosby Mike W.
General Electric Co.
Johnson Noreen C.
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