B32B 5/271
Characterised by separate non-woven fabric layers that comprise chemically different strands or
Official title: {characterised by separate non-woven fabric layers that comprise chemically different strands or fibre material}
B32B5/271 (Characterised by separate non-woven fabric layers that comprise chemically different strands or) appears on 21 US grants and 56 published applications in this corpus.
Search patents in B32B- Granted patents
- 21
- Published applications
- 56
- Assignees
- 51
- Inventors
- 171
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2020 | 0 | 3 |
| 2021 | 0 | 6 |
| 2022 | 1 | 10 |
| 2023 | 3 | 11 |
| 2024 | 6 | 11 |
| 2025 | 6 | 7 |
| 2026 | 5 | 8 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Packaging body and method for producing same28 Jul 2026US 12,691,662 B2Kao Corporation
- Non-passive anti-viral and nanofilter based respirators2 Jun 2026US 12,643,063 B1University of Louisville Research Foundation, Inc.
- Nonwoven and absorbent articles containing the same5 May 2026US 12,616,619 B2The Procter & Gamble Company
- Absorptive sound insulation3 Mar 2026US 12,565,157 B2Adler Pelzer Holding GmbH
- Elastic nonwoven sheet20 Jan 2026US 12,527,695 B2Fibertex Personal Care A/S
- Pouched product24 Sep 2026US 2026/0283218 A1
- Carbon fiber composite material20 Aug 2026US 2026/0241666 A1Toray Industries, Inc.
- Composite nonwoven23 Jul 2026US 2026/0210009 A1Milliken & Company
- Waterproof sound-transmitting sheet and method for manufacturing same9 Jul 2026US 2026/0192539 A1Amogreentech Co., Ltd.
- Down-like composite structure2 Jul 2026US 2026/0184038 A1Shinih Enterprise Co., Ltd.
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.