FOLDED FILTER MEDIUM
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Mar 28, 2024
app pub date -
Dec 7, 2023
filing date -
Jun 10, 2021
priority date (Note) -
Published
status (Latency Note)
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US Family Size
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Non-US Coverage
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Abstract
A folded filter medium for a filter element is provided with a cellulose substrate impregnated with a phenolic resin and furthermore provided with an ePTFE layer arranged on the cellulose substrate. A filter element with such a filter medium is provided. A filter assembly with a filter element having such a filter medium is also provided. A method for producing such a filter medium includes the steps of impregnating the cellulose substrate with the phenolic resin; applying the ePTFE layer onto the cellulose substrate impregnated with the phenolic resin; folding the cellulose substrate with the ePTFE layer applied thereon; and curing the phenolic resin.
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| DE | A1 | DE102021115022 | Jun 10, 2021 |
| EP | A1 | EP4351758 | May 03, 2022 |
| AU | A1 | AU2022291215 | May 03, 2022 |
| CN | U | CN222427404 | May 03, 2022 |
| WO | A1 | WO2022258261 | May 03, 2022 |
International Classification(s)
- 2023 Application Filing Year
- B01D Class
- 2670 Applications Filed
- 658 Patents Issued To-Date
- 24.65 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B01D Class
- 0 % this patent is cited more than
- 1 Age