Microorganism filter and method for removing microorganism from water
US6565749B1 · kind B1 · utility
87Cited by
59References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2000 |
| Grant date | May 20, 2003 |
| Priority date | — |
| Expiry date | Jul 31, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2307/06
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A filter for removing microorganisms from a fluid is provided by the invention. The filter includes a substrate having a reactive surface, and a polymer covalently bonded to the reactive surface of the substrate. The polymer includes a plurality of cationic groups for attracting microorganisms. Faucet mounted filters and pour through filters containing the polymer coated substrate are provided. Also disclosed are methods for using and manufacturing filters for removing microorganisms from a fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.