Catalyst for producing methacrylic acid
US4252683A · kind A · utility
9Cited by
3References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 26, 1978 |
| Grant date | Feb 24, 1981 |
| Priority date | — |
| Expiry date | Dec 26, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2523/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst composition useful for the oxidation of unsaturated aldehydes, particularly the oxidation of methacrolein to produce methacrylic acid, comprises the combination of oxides of molybdenum, copper, phosphorus, antimony, calcium and rhenium in predetermined relative atomic ratios.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.