Oxirane production
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United States of America Patent
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Dec 16, 1997
Grant Date -
N/A
app pub date -
Oct 11, 1996
filing date -
Sep 12, 1996
priority date (Note) -
Expired
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Abstract
Oxirane compounds are formed by vapor phase catalytic molecular oxygen oxidation of a C.sub.3 -C.sub.10 olefin using a silver catalyst, and the selectivity to the oxirane product is enhanced by preconditioning the catalyst by contact with the olefin at elevated temperature in the absence of oxygen; oxygen is periodically pulsed to the reaction.
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