Use of phosphoric acid as a homogeneous catalyst during the preparation of ketene
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United States of America Patent
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May 28, 2002
Grant Date -
N/A
app pub date -
Apr 27, 2000
filing date -
Aug 7, 1997
priority date (Note) -
Expired
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Abstract
The invention relates to a process for the catalytic pyrolysis of acetic acid for preparing ketene and/or secondary products, which comprises spraying, as catalyst, phosphoric acid in the form of a liquid jet into the acetic acid vapor.
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