Method for removing a substance from a medium
US5391020A · kind A · utility
1Cited by
14References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 6, 1992 |
| Grant date | Feb 21, 1995 |
| Priority date | — |
| Expiry date | May 6, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB09C2101/00
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method for removing a substance from a medium including the steps of growing plant life in the medium to absorb the substance into the plant life, removing the plant life from the medium and thereby the substance from the medium and repeating the growing and removing steps as many times as necessary to reduce the remaining quantity of the substance in the medium to the level desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.