Fluid filtering method
US5914043A · kind A · utility
16Cited by
3References
20Claims
0Family size
Inventor
Key dates
| Filing date | Feb 2, 1998 |
| Grant date | Jun 22, 1999 |
| Priority date | — |
| Expiry date | Feb 2, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2307/06
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of filtering water utilizing separate beds of non-soluble ceramic-type calcium sulfite beads, made from a ceramic binder and calcium sulfite, and a copper-zinc media, with the ceramic-type calcium sulfite beads and the copper-zinc media being in substantially equal volumetric portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.