Claims
- 1. A catalyst composition suitable for the vapor-phase oxidation of methacrolein to produce methacrylic acid consisting essentially of the oxides of molybdenum, copper, phosphorus, antimony and cesium and having the formula Mo.sub.a Cu.sub.b P.sub.c Sb.sub.d Cs.sub.e O.sub.f, where: a=12; b=0.05-3; c=0.1-5; d=0.1-0.5; e=0.1-3; and f=value determined by the valence and proportions of the other elements of the formula.
CROSS-REFERENCE TO OTHER APPLICATIONS
This is a continuation-in-part of U.S. Ser. No. 973,354 filed Dec. 26, 1978.
US Referenced Citations (5)
Foreign Referenced Citations (1)
Number |
Date |
Country |
1430337 |
Mar 1976 |
GBX |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
973354 |
Dec 1978 |
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