Electrostatically charged porous nonwoven web, membrane and mask derived therefrom and methods for manufacture and cleaning
US-12589364-B2 · Mar 31, 2026 · US
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Patent family 76859645
This patent family groups 2 related publications across US. Members often share priority claims or equivalent filings in different countries.
| Field | Value |
|---|---|
| Family ID | 76859645 |
| Family type | — |
| Earliest priority | Jun 19, 2020 |
| First filing country | US |
| Member publications | 2 |
| Countries | US |
| Representative publication | US12589364B2 — Electrostatically charged porous nonwoven web, membrane and mask derived therefrom and methods for manufacture and cleaning |
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US12589364B2 — Electrostatically charged porous nonwoven web, membrane and mask derived therefrom and methods for manufacture and cleaning (published Mar 31, 2026)
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