Inorganic filtering material modified with organomineral grafting and preparation method
US6596173B1 · kind B1 · utility
3Cited by
3References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2000 |
| Grant date | Jul 22, 2003 |
| Priority date | — |
| Expiry date | Oct 4, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2325/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention concerns an inorganic filtering membrane characterized in that it comprises a support made of an inorganic material coated with at least a membrane separating layer consisting of metal hydroxide and/or oxide particles and at the surface of which organomineral and/or mineral units are covalently grafted. The invention also concerns a method for preparing said membranes and their use for filtering.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.