Filter aids
US11534708B2 · kind B2 · utility
0Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2018 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Feb 2, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present disclosure includes compositions and methods for filtering a liquid, e.g., water. The compositions herein may include a filter aid comprising a filter medium and packaging having at least one water-soluble portion. When the filter aid is introduced into the liquid to be filtered, the water-soluble portion(s) may dissolve or otherwise degrade in order to expose the filter medium to the liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.