Compound for blocking absorption of heavy metals by plants and a composition containing the same
US11001560B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Nov 29, 2019 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | Nov 29, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N65/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a compound capable of blocking the absorption of heavy metals by plants and a composition containing the same. The compound was extracted from Aegiceras corniculatum. The compound is extracted by enzyme extraction, filtration, concentrating and drying. The compound is derived from natural plants, and no organic solvents are used in the extraction process. The compound and the composition formed by the compound have a certain barrier effect on the absorption of heavy metals by plants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.