Method of producing butanol
US8558037B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Mar 30, 2011 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Oct 18, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C29/76
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method of producing butanol, which has a step of removing impurities contained in a butanol-containing solution, is provided. In the method, a butanol-containing solution is filtered through a nanofiltration membrane. Then the butanol-containing solution is collected from the permeate flow of the nanofiltration membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.