Oxidation of p-xylene to terephthalaldehyde
US4017547A · kind A · utility
11Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1975 |
| Grant date | Apr 12, 1977 |
| Priority date | — |
| Expiry date | Sep 8, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J37/0236
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Terephthalaldehyde is produced by the vapor phase oxidation of p-xylene in the presence of a catalyst mixture of tungsten in the form of an oxide or silicotungstic acid, molybdenum in the form of an oxide and bismuth in the form of an oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.