Method for remediation of aquifers
US6398960B1 · kind B1 · utility
33Cited by
16References
27Claims
0Family size
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Key dates
| Filing date | Oct 31, 2000 |
| Grant date | Jun 4, 2002 |
| Priority date | — |
| Expiry date | Jan 20, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2305/06
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method for remediating aquifers and groundwater contaminated, for example, by toxic halogenated organic compounds, certain inorganic compounds, and oxidized heavy metals and radionuclides, using the introduction of an innocuous oil, preferably an edible, food grade oil such as soybean oil, formulated into a microemulsion preferably by mixing with a natural food-grade emulsifier (such as lecithin) and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.