Preparation of a multimetal oxide material

Details Preparation of a multimetal oxide material Preparation of a multimetal oxide material

2006-05-02

2006-05-02

Johnson, Christina (Department: 1725)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C562S549000, C562S542000, C562S830000, C562S830000, C562S545000, C562S600000, C502S305000, C502S306000, C502S307000, C502S308000, C502S310000, C502S311000, C502S312000, C502S313000, C502S315000, C502S317000, C502S318000, C502S309000, C502S321000, C502S325000, C502S340000, C502S344000, C502S353000, C502S304000

Reexamination Certificate

active

07038082

ABSTRACT:
A process for preparing a multimetal oxide material which contains the elements Mo, V and Te and/or Sb and at least one of the elements Nb, Ti, W, Ta and Ce and if desired promoters and has a specific X-ray diffraction pattern, in which process the last process step comprises washing with acidic liquids. In addition, a multimetal oxide material obtainable in such a way is used as a catalyst for heterogeneously catalyzed gas-phase partial oxidations and/or ammoxidation of hydrocarbons.

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H. Watanabe, et al., Applied Catalysis A: General, vol. 194-195, XP-004272252, pp. 479-485, “New Synthesis Route for Mo-V-Nb-Te Mixed Oxides Catalyst for Propane Ammoxidation”, Mar. 13, 2000.

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