Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Knapsack Griesheim AG
Original Assignee
Knapsack Griesheim AG
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Publication date
Application filed by Knapsack Griesheim AGfiledCriticalKnapsack Griesheim AG
Priority to ES0291248ApriorityCriticalpatent/ES291248A1/en
Publication of ES291248A1publicationCriticalpatent/ES291248A1/en
Process for the production of unsaturated nitriles, characterized in that the oxidation of olefins with 3 or 4 carbon atoms with air and/or oxygen in the presence of ammonia and, optionally, water vapor at temperatures between 300º C and 600º C, pressures between 0.1 and 10 atm. abs. and residence times between 0.05 and 50 seconds in catalysts that are preferably applied on support materials such as silica gel (SiO2), aluminum oxide, pumice, etc., oxidation is done with a catalyst that contains a mixture of oxides of the elements vanadium, tin and eventually phosphorus. (Machine-translation by Google Translate, not legally binding)
ES0291248A1963-08-301963-08-30Procedure for the manufacture of non-saturated nitrils (Machine-translation by Google Translate, not legally binding)
ExpiredES291248A1
(en)