Olefin bond isomerization process
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United States of America Patent
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Mar 21, 1989
Issued Date -
N/A
app pub date -
Jul 26, 1988
filing date -
May 27, 1982
priority date (Note) -
Expired
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Abstract
A process for olefin bond isomerization by means of a gamma alumina-based catalyst containing SiO.sub.2 and oxides of a metal chosen from those of Group II A and/or VIII and/or III B and/or Lanthanides, with particular molar ratios between the various oxides. The catalyst is thermally stable, and in the conversion of butene-2 to butene-1 enables butene-1 to be obtained with an isobutene content below the allowable limits for butene-1 grade polymerization.
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