Method for preparation of 1,4-sorbitan
US11174236B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Aug 26, 2019 |
| Grant date | Nov 16, 2021 |
| Priority date | — |
| Expiry date | Aug 26, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention discloses a method for preparation of 1,4-sorbitan by dehydration of D-sorbitol, wherein one equivalent of water is removed and a cyclization occurs, followed by a treatment with ethanol and isopropanol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.