Conversion of alkanes to unsaturated carboxylic acids
US5705685A · kind A · utility
18Cited by
8References
56Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1995 |
| Grant date | Jan 6, 1998 |
| Priority date | — |
| Expiry date | Oct 31, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/215
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Alkanes are converted to unsaturated carboxylic acids by contacting an alkane with an oxidizing agent and a heteropolyacid or polyoxoanion comprising (1) at least 9 atoms of a first framework metal or metals comprising molybdenum, tungsten or vanadium or combinations thereof and (2) 1 to 3 atoms of a second framework metal or metals comprising zinc or a transition metal different from the first framework metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.