Sorbent for heavy metals
US4136021A · kind A · utility
14Cited by
6References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 25, 1976 |
| Grant date | Jan 23, 1979 |
| Priority date | — |
| Expiry date | Aug 25, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2231/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A cross-linked polystyrene resin modified by the presence therein of chemically bound sulfur provides a highly selective sorbent for removal of heavy metal contaminants from liquids containing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.