Process for preparing anhydride from alkanes
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United States of America Patent
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May 13, 1980
Issued Date -
N/A
app pub date -
Apr 21, 1978
filing date -
Feb 10, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A catalyst complex useful for the partial oxidation of alkanes to the corresponding anhydrides, e.g., converting normal C.sub.4 hydrocarbons to maleic anhydrides, e.g., converting normal C.sub.4 hydrocarbons to maleic anhydride in vapor phase, comprising as components vanadium, phosphorus, oxygen, Nb. Cu, Mo, Ni, Co and Cr. Preferred are those compositions containing in addition one or more of Ce, Nd, Ba, Hf, U, Ru, Re, Li or Mg.
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