A61L 28/0053
Porous materials
Official title: {Porous materials, e.g. foams or sponges}
A61L28/0053 (Porous materials) appears on 9 US grants and 10 published applications in this corpus.
Search patents in A61L- Granted patents
- 9
- Published applications
- 10
- Assignees
- 8
- Inventors
- 25
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Establishing a physiological skin-material connection9 Jun 2026US 12,648,842 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Foam and composition for foam9 Apr 2024US 11,952,455 B2Alcare Co., Ltd.
- Multilayer film including foam layer and ostomy products made therefrom7 Jun 2022US 11,351,054 B2Hollister Incorporated
- Porogen compositions, methods of making and uses21 Dec 2021US 11,202,853 B2Allergan, Inc.
- Porogen compositions, methods of making and uses21 Apr 2020US 10,624,997 B2Allergan, Inc.
- Ostomy bag and method for ostomy management1 May 2025US 2025/0134695 A1Boston Scientific Scimed, Inc.
- Establishing a physiological skin-material connection25 Jan 2024US 2024/0024090 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Porogen compositions, methods of making and uses30 Jul 2020US 2020/0237968 A1Allergan, Inc.
- Foam and composition for foam24 Oct 2019US 2019/0322795 A1Alcare Co., Ltd.
- Multilayer film including foam layer and ostomy products made therefrom1 Aug 2019US 2019/0231581 A1Hollister Incorporated
Most cited
By later US patents
- Ostomy plug37US 6,569,081 B1Coloplast A/S · 2003
- Multilayer film including foam layer and ostomy products made therefrom14US 10,322,024 B2Hollister Incorporated · 2019
- Porogen compositions, methods of making and uses12US 9,205,577 B2Allergan, Inc. · 2015
- Membrane, e.g. for use in an ileostomy bag6US 5,352,316 AE. R. Squibb & Sons, Inc. · 1994
- Multilayer film including foam layer and ostomy products made therefrom5US 11,351,054 B2Hollister Incorporated · 2022