Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Reexamination Certificate
2007-06-12
2007-06-12
Nguyen, Cam N. (Department: 1754)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
C502S248000, C502S255000, C502S263000, C502S312000, C502S313000, C502S314000, C502S315000, C502S316000, C502S317000, C502S322000, C502S344000, C502S353000, C502S354000, C502S349000, C502S350000, C502S355000, C502S407000, C502S415000, C502S439000
Reexamination Certificate
active
10806862
ABSTRACT:
A catalyst composition having the formula:in-line-formulae description="In-line Formulae" end="lead"?Mo1VaSbbNbcMdOxin-line-formulae description="In-line Formulae" end="tail"?wherein M is gallium, bismuth, silver or gold, a is 0.01 to 1, b is 0.01 to 1, c is 0.01 to 1, d is 0.01 to 1 and x is determined by the valence requirements of the other components. Other metals, such as tantalum, titanium, aluminum, zirconium, chromium, manganese, iron, ruthenium, cobalt, rhodium, nickel, platinum, boron, arsenic, lithium, sodium, potassium, rubidium, calcium, beryllium, magnesium, cerium, strontium, hafnium, phosphorus, europium, gadolinium, dysprosium, holmium, erbium, thulium, terbium, ytterbium, lutetium, lanthanum, scandium, palladium, praseodymium, neodymium, yttrium, thorium, tungsten, cesium, zinc, tin, germanium, silicon, lead, barium or thallium may also be components of the catalyst. This catalyst is prepared by co-precipitation of metal compounds which are calcined to form a mixed metal oxide catalyst that can be used for the selective conversion of an alkane to an unsaturated carboxylic acid in a one-step process.
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Ellis, Jr. Paul E.
Hazin Paulette N.
Nguyen Cam N.
Saudi Basic Industries Corporation
Wheelington Jim
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