Production of copper amine salt complexes for catalysts for the oxidative coupling of alkylphenols
US4965384A · kind A · utility
6Cited by
17References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 1989 |
| Grant date | Oct 23, 1990 |
| Priority date | — |
| Expiry date | May 5, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C46/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to the production of copper catalysts for the oxidative coupling of 2,6-dialkylphenols to produce mixtures of 3,3',5,5'-tetra-alkyl-4,4'-dihydroxybiphenyls and corresponding diphenoquinones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.