Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1983-10-03
1985-02-05
Raymond, Richard
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549245, 549248, 549253, 549256, 549257, 549250, 549260, C07D30760, C07D30789, C07D30792
Patent
active
044979584
ABSTRACT:
A heterogeneous process for preparing a vanadium-phosphorus-oxygen containing catalyst for use in the preparation of carboxylic anhydrides is disclosed. This process employs an activation procedure in an air-hydrocarbon atmosphere.
REFERENCES:
patent: 4400522 (1983-08-01), Lemanski et al.
patent: 4429137 (1984-01-01), Blum et al.
Huang I-Der
Rao Krishna K.
Yang Tai-Cheng
Exxon Research & Engineering Co.
Maggio Robert A.
Raymond Richard
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