Regeneration of copper chromite hydrogenation catalyst
US4533648A · kind A · utility
5Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 23, 1984 |
| Grant date | Aug 6, 1985 |
| Priority date | — |
| Expiry date | Apr 23, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/584
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Spent copper "chromite" catalyst from the hydrogenation of carboxylic acids or esters of such acids is regenerated by vacuum treatment at high temperature to reduce the level of organic residue on the catalyst to less than about 25%, followed by oxidation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.