Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Phosphorus or compound containing same
Patent
1990-02-12
1990-10-30
Shine, W. J.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Phosphorus or compound containing same
B01J 2716, B01J 2719, B01J 27199
Patent
active
049668773
ABSTRACT:
Catalysts having an improved long-term activity behavior in the oxydehydrogenation of, for example, isobutyric acid to methacrylic acid, are prepared from heteropolyacids of molybdenum or from their metal salt derivatives by the concurrent use of a water soluble organic compound which is of low volatility or is practically non-volatile, such as a polymer, followed by calcination of the preparation at 200.degree. C. to 400.degree. C. in the presence of oxygen.
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Ullmann's Encyclopaedie der technischen Chemie, 4th Edn, vol. 13, pp. 563-564.
Gruber Wilhelm
Langerbeins Klaus
Rohm GmbH
Shine W. J.
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