Removal of metal ions from essential oils
US10920171B2 · kind B2 · utility
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1References
12Claims
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Assignee
Inventor
Key dates
| Filing date | Apr 18, 2018 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Apr 18, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D15/3828
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a method for separating metal ions from a liquid, which method comprises contacting liquid comprising metal ions with non-functionalized cellulose, adsorbing the metal ions to the cellulose, and separating the liquid from the cellulose, wherein the liquid is an essential oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.