Palladium on carbon catalyst for purification of crude terephthalic acid
US4415479A · kind A · utility
31Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1981 |
| Grant date | Nov 15, 1983 |
| Priority date | — |
| Expiry date | Oct 29, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/487
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst and process for purifying crude terephthalic acid wherein the catalyst comprises palladium metal crystallites deposited upon a carbon support wherein the catalyst is prepared by contacting a carbonaceous support with an aqueous solution of a palladium amine complex in the presence of acetic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.