Catalysts used for producing carbonic acid esters and methods of producing carbonic acid esters using the same
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United States of America Patent
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Sep 13, 1994
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Aug 13, 1992
filing date -
Aug 19, 1991
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Abstract
The present invention relates to a novel catalyst having a stable catalytic activity for catalyzing the reaction of an alcohol with carbon monoxide and oxygen to produce carbonic acid esters (i.e., carbonate), and also the present invention relates to a method of producing carbonic acid esters using this catalyst. The catalyst of the present invention comprises a copper halide and at least one hydroxide compound selected from a group consisting of alkali metal hydroxides and alkali earth metal hydroxides carried on a porous carrier, and also provide a process of regenerating a catalytic activity of the catalyst.
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