Catalyst for use in production of methacrylic acid and method for manufacturing the same
US8716523B2 · kind B2 · utility
2Cited by
8References
13Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 28, 2006 |
| Grant date | May 6, 2014 |
| Priority date | — |
| Expiry date | Mar 22, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2523/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for manufacturing a catalyst of which active components are partly neutralized salt of heteropoly acid comprising molybdenum, phosphorus, vanadium, cesium, antimony, and ammonia as essential components, wherein the method is characterized in mixing an antimony compound with a complex oxide of the essential active components in the catalyst containing active components other than antimony, wherein the antimony compound may be added during slurry preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.