Silica support, heteropolyacid catalyst produced therefrom and ester synthesis using the silica supported heteropolyacid catalyst
US7432393B2 · kind B2 · utility
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43Claims
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Key dates
| Filing date | Sep 8, 2005 |
| Grant date | Oct 7, 2008 |
| Priority date | — |
| Expiry date | Sep 8, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A silica support for use in the manufacture of a silica supported heteropolyacid catalyst for use in producing a carboxylic ester from a monocarboxylic acid, olefin and water wherein the support is produced by treating silica-gel granules with steam at a temperature in the range 100 to 300° C. for a period of time in the range 0.1 to 200 hours.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.