Pool and spa filter media
US6419839B1 · kind B1 · utility
69Cited by
13References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2000 |
| Grant date | Jul 16, 2002 |
| Priority date | — |
| Expiry date | Aug 15, 2020 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01F8/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A carded nonwoven filter media comprising one or more layers of core-sheath fibers wherein the sheath portion of a fiber is bonded to one or more adjacent core fibers is disclosed. In a preferred embodiment, the nonwoven filter media includes an antimicrobial fiber component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.