Carbonylation catalyst supported on a carbonized polysulfonated divinylbenzene-styrene copolymer
US6235673A · kind A · utility
16Cited by
22References
27Claims
0Family size
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Key dates
| Filing date | Apr 5, 2000 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Apr 5, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J23/468
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst in carbonylation processes for producing esters, carboxylic acids, and carboxylic acid anhydrides from lower alkyl alcohols, ethers, esters, alcohol producing derivatives. The catalyst includes a catalytically active metal selected from Group VIII metals, tin mixtures thereof associated with a carbonized polysulfonated divinylbenzene-styrene copolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.