Solid supported trithiol compounds for removing heavy metals from solution, and filtration systems utilizing the compounds
US9802889B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Dec 2, 2014 |
| Grant date | Oct 31, 2017 |
| Priority date | — |
| Expiry date | Jan 27, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/11
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Solid-supported trithiol compounds are prepared. The solid-supported trithiol compounds have formula (I):in which R is a linker moiety, X is a solid support, and n≧1. The compounds of formula (I) may be incorporated into methods for removing heavy metals from solutions and into batch systems or filtration apparatus that remove heavy metals from solutions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.