Citraconic anhydride prodn. from 5C hydrocarbon - by oxidn. over catalyst contg. tungsten, molybdenum and antimony

Prodn. of citraconic anhydride (I) comprises reacting a mixt. of branched, unsatd. 5C hydrocarbons and O2 contg. gas at 300-500 degrees C with apparent contact time 0.1-20(0.2-10) sec. over a catalyst of formula WaMobSbcYdXeOx (Y is P and/or Si; X is V, Bi and/or alkali metal. a and b are 1-12; c is...

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Hauptverfasser:	RATAJCZAK,HANS-JOSEF,DR, NIERLICH,FRANZ,DR, FRANZ,GERHARD,DR
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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