Organic compounds -- part of the class 532-570 series – Organic compounds – Nitriles
Reexamination Certificate
2005-07-19
2005-07-19
Johnson, Christina (Department: 1725)
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitriles
C568S910000, C568S959000, C502S311000, C502S312000, C502S317000, C502S321000, C502S347000, C502S353000, C502S354000, C502S348000, C502S300000, C502S324000, C502S303000, C502S304000, C502S308000, C502S310000, C502S349000, C502S352000, C502S313000, C502S316000, C502S325000, C502S338000, C502S344000, C502S319000, C502S322000, C502S323000, C502S355000, C502S208000, C502S209000, C502S211000
Reexamination Certificate
active
06919472
ABSTRACT:
A catalyst composition for the selective conversion of an alkane to an unsaturated carboxylic acid having the general formula:in-line-formulae description="In-line Formulae" end="lead"?MoVaNbbAgcMdOxin-line-formulae description="In-line Formulae" end="tail"?wherein optional element M may be one or more selected from aluminum, copper, lithium, sodium, potassium, rubidium, cesium, gallium, phosphorus, iron, rhenium, cobalt, chromium, manganese, arsenic, indium, thallium, bismuth, germanium, tin, cerium or lanthanum; a is 0.05 to 0.99, b is 0.01 to 0.99, c is 0.01 to 0.99, d is 0 to 0.5 and x is determined by the valence requirements of the other components of the catalyst composition. This catalyst is prepared by co-precipitation of compounds of molybdenum, vanadium, niobium, silver and M to form a mixed metal oxide catalyst. This catalyst can be used for the selective conversion of an alkane to an unsaturated carboxylic acid in a one-step process or the ammoxidation of alkanes and olefins.
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Ellis, Jr. Paul E.
Hazin Paulette N.
Johnson Christina
Saudi Basic Industries Corporation
Wheelington Jim
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