Process for preparing unsaturated carboxylic acids from the corresponding unsaturated aldehydes
US3965163A · kind A · utility
15Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 1974 |
| Grant date | Jun 22, 1976 |
| Priority date | — |
| Expiry date | Mar 15, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/252
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Unsaturated carboxylic acids are prepared by reacting the corresponding unsaturated aldehyde with molecular oxygen in the presence of a catalyst of (a) molybdenum, (b) phosphorus, (c) antimony, (d) at least one element selected from the group consisting of tungsten, barium, chromium, lead, niobium, tantalum, tin, nickel, iron and zirconium, and (e) oxygen, and optionally (f) at least one element selected from the group consisting of strontium, titanium, germanium, cerium, and silver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.