B01D 2325/22
Thermal or heat-resistance properties
B01D2325/22 (Thermal or heat-resistance properties) appears on 188 US grants and 260 published applications in this corpus.
Search patents in B01D- Granted patents
- 188
- Published applications
- 260
- Assignees
- 184
- Inventors
- 762
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 0 |
| 2003 | 0 | 4 |
| 2004 | 1 | 6 |
| 2005 | 6 | 6 |
| 2006 | 3 | 10 |
| 2007 | 3 | 12 |
| 2008 | 9 | 8 |
| 2009 | 3 | 21 |
| 2010 | 10 | 14 |
| 2011 | 11 | 8 |
| 2012 | 8 | 15 |
| 2013 | 6 | 10 |
| 2014 | 6 | 12 |
| 2015 | 8 | 8 |
| 2016 | 6 | 8 |
| 2017 | 6 | 13 |
| 2018 | 7 | 10 |
| 2019 | 8 | 13 |
| 2020 | 5 | 13 |
| 2021 | 14 | 15 |
| 2022 | 9 | 14 |
| 2023 | 10 | 11 |
| 2024 | 10 | 12 |
| 2025 | 6 | 9 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cation exchange membrane and method for producing same1 Sep 2026US 12,722,125 B2Astom Corporation
- High temperature-resistant composite nanofiltration membrane and preparation method thereof9 Jun 2026US 12,649,128 B2Hunan Ovay Technology Co., Ltd.
- Metal-organic framework material separation membrane, preparation method therefor, and use thereof21 Apr 2026US 12,605,678 B2Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Membrane-based desorption cooling method for passive thermal management14 Apr 2026US 12,599,866 B2City University of Hong Kong
- Preparation method for reverse osmosis membrane resistant to high-temperature water environment14 Oct 2025US 12,440,809 B1Zhejiang Jinmo Environmental Technology Co., Ltd
- Nano-membrane, electronic device including the same, and method for manufacturing the nano-membrane23 Jul 2026US 2026/0209030 A1Kolon Industries, Inc.
- Conductive flame retardant and breathable membrane16 Jul 2026US 2026/0199844 A1UC Bacon Company Limited
- Porous membrane and porous membrane laminate2 Jul 2026US 2026/0183721 A1Sumitomo Electric Fine Polymer, Inc.
- Membrane-based dehumidification system, thermally-insulative selective membrane, and method4 Jun 2026US 2026/0151729 A1Purdue Research Foundation
- Improved strength microporous membranes, separator membranes, base films, and battery separators5 Mar 2026US 2026/0066475 A1
Most cited
By later US patents
- Fuel cell and electrolyte membrane therefor94US 5,409,785 AKabushikikaisha Equos Research · 1995
- Porous polyvinylidene fluoride resin film and process for producing the same79US 6,299,773 B1Asahi Kasei Kogyo Kabushiki Kaisha · 2001
- Apparatus and methods for gas extraction73US 5,931,987 A1999
- Hydrogen generator72US 6,461,408 B22002
- Process for manufacture of a porous polymer by use of a porogen58US 6,060,530 ACommonwealth Scientific and Industrial Research Organization · 2000