Claims
- 1. A method for the production of unsaturated aldehyde and unsaturated carboxylic acid by the vapor-phase catalytic oxidation reaction of at least one compound selected from the group consisting of propylene, isobutylene, t-butanol and methyl-t-butyl ether in a vapor phase with molecular oxygen or a molecular oxygen-containing gas, which method comprises effecting said reaction in the presence of a catalyst comprising (A) a composite oxide having molybdenum, bismuth, and iron as essential components and (B) a solid acid having acid strength (Ho) of not more than -11.93 (Ho.ltoreq.-11.93).
Priority Claims (1)
Number |
Date |
Country |
Kind |
6-118229 |
May 1994 |
JPX |
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RELATED APPLICATIONS
This application is a divisional application of application Ser. No. 08/456,062, filed May 31, 1995 now U.S. Pat. No. 5,700,752 published Dec. 23, 1997.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
5700752 |
Kurimoto et al. |
Dec 1997 |
|
Foreign Referenced Citations (2)
Number |
Date |
Country |
5013308 |
Jun 1973 |
JPX |
5047915 |
Aug 1973 |
JPX |
Divisions (1)
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Number |
Date |
Country |
Parent |
456062 |
May 1995 |
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