Catalyst for the dehalogenation of alphahalogenated carboxylic acids and its use for purifying monochloroacetic acid
US5466650A · kind A · utility
2Cited by
5References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 2, 1994 |
| Grant date | Nov 14, 1995 |
| Priority date | — |
| Expiry date | Sep 2, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/377
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a catalyst formed of an active charcoal support in the form of particles or of cylinders having a diameter from 0.3 to 1.5 mm and a length of 0.3 to 5 mm or spheres having a diameter from 0.3 to 2 mm, the said particles being loaded with a precious metal from group 8. Advantageously, palladium on active charcoal is used. The invention is particularly useful for purifying monochloroacetic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.