Eutectic extraction solvents, extraction methods by eutectigenesis using said solvents, and extracts derived from said extraction methods
US10960042B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Apr 11, 2016 |
| Grant date | Mar 30, 2021 |
| Priority date | — |
| Expiry date | Apr 11, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2236/331
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A eutectic extraction solvent for extracting plant (e.g. vegetable) and/or animal and/or prokaryotic biological material, wherein the solvent is a clear, stable and fluid mixture comprising: (a) betaine or a hydrated form of betaine; (b) at least one hydrogen bond donor compound selected from the group consisting of polyols and organic acids; and (c) water with the proviso that the eutectic extraction solvent does not contain any exogenous sugar and/or amine salt and/or anion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.