Process for manufacture of beta-isophorone
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United States of America Patent
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Jan 4, 1994
Issued Date -
N/A
app pub date -
Sep 11, 1992
filing date -
Nov 30, 1990
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Abstract
The invention is concerned with a process for the manufacture of beta-isophorone from alpha-isophorone by converting alpha-isophorone into beta-isophorone in the presence of a heterogeneous catalyst in the gas phase. The heterogenous catalyst used is especially an oxide or mixed oxide of the elements Mg, Al, Si and Ni.
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