Metal complexing
US6077421A · kind A · utility
6Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 1996 |
| Grant date | Jun 20, 2000 |
| Priority date | — |
| Expiry date | Jul 18, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G29/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composition including a solid substrate, a metal chelant, and a saturated hydrocarbon linker attached between the substrate and the chelant. The position is used in the method for removing from a liquid medium a metal having atomic number equal to or greater than 27, the method including the steps of passing the liquid medium through the composition that is in solid, particulate form and separating the medium from the composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.