Filter medium, filter element and filter arrangement
US10300419B2 · kind B2 · utility
1Cited by
2References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2016 |
| Grant date | May 28, 2019 |
| Priority date | — |
| Expiry date | Dec 14, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60H2003/0691
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter medium is provided with a first filter layer that retains particles and a second filter layer provided with an antimicrobial material and an anti-allergenic material. The anti-allergenic material contains polyphenols. The filter medium is designed particularly for filtering air for the passenger compartment of motor vehicles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.