Loaded ion exchange resins, their preparation and uses
US6197997A · kind A · utility
4Cited by
1References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 9, 1998 |
| Grant date | Mar 6, 2001 |
| Priority date | — |
| Expiry date | Jul 9, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J39/05
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A loaded ion-exchange resin, which resin has been loaded in its shrunken form. Also a process for removing iodide compounds from a liquid carboxylic acid and/or carboxylic acid anhydride obtained from the Group VIII noble metal catalysed, alkyl iodide co-catalysed carbonylation of alcohols and/or their reactive derivatives which process comprises contacting the liquid carboxylic acid and/or carboxylic acid anhydride with a metal loaded ion-exchange resin as described above wherein the metal is one or more of the metals silver, palladium or mercury.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.