Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1987-06-18
1988-10-25
Lee, Mary C.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549256, 549257, 549260, C07D30760
Patent
active
047805480
ABSTRACT:
A process for the reactivation of vanadium-phosphorus-oxygen catalyst with alkyl esters of phosphoric acid and water is disclosed. The catalysts are useful for the manufacture of maleic anhydride from C.sub.4 hydrocarbon benzene feedstock.
REFERENCES:
patent: 3296282 (1967-01-01), Kerr
Edwards Robert C.
Udovich Carl A.
Amoco Corporated
Dentz Bernard I.
Hooper Matthew R.
Lee Mary C.
Magidson William H.
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