Silica adsorbent for removal of chlorophyll derivatives from triacylglycerol-based oils
US12296315B2 · kind B2 · utility
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6References
16Claims
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Key dates
| Filing date | Mar 11, 2020 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Jun 9, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D15/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to an adsorbent for treating an oil comprising a chlorophyll derivative. In particular, the present disclosure relates to an improved silica gel adsorbent for removing impurities, including chlorophyll derivatives and/or trace metals, from an oil, in particular triacylglycerol-based oils. The adsorbent comprises a silica gel treated with an alkali earth metal oxide, such as magnesium oxide, and has a pH of about 7 or greater and a water content of about 3 wt % or greater.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.