B01D 2323/04
Hydrophobization
B01D2323/04 (Hydrophobization) appears on 99 US grants and 136 published applications in this corpus.
Search patents in B01D- Granted patents
- 99
- Published applications
- 136
- Assignees
- 109
- Inventors
- 372
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 4 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 2 | 2 |
| 2009 | 2 | 3 |
| 2010 | 1 | 3 |
| 2011 | 1 | 3 |
| 2012 | 1 | 5 |
| 2013 | 3 | 5 |
| 2014 | 5 | 6 |
| 2015 | 8 | 15 |
| 2016 | 3 | 7 |
| 2017 | 6 | 4 |
| 2018 | 6 | 8 |
| 2019 | 5 | 5 |
| 2020 | 10 | 11 |
| 2021 | 5 | 8 |
| 2022 | 6 | 14 |
| 2023 | 8 | 8 |
| 2024 | 4 | 8 |
| 2025 | 13 | 5 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surface-treated porous materials having filtration properties and methods of preparing them18 Aug 2026US 12,708,879 B2Aculon, Inc.
- Fluorine-free hydrophobic permeable material12 May 2026US 12,624,181 B2Donaldson Company, Inc.
- Hollow fiber membrane module21 Apr 2026US 12,605,675 B2Nok Corporation
- System for separating oil and water mixture using hydrophilic modified polystyrene and hydrophobic polyurethane2 Dec 2025US 12,485,365 B2King Fahd University of Petroleum and Minerals
- Oil/water separation25 Nov 2025US 12,478,925 B2The University of Manchester
- Fluorine-free hydrophobic permeable material27 Aug 2026US 2026/0250478 A1Donaldson Company, Inc.
- Porous ceramic layer, porous ceramic layered body and separation membrane30 Jul 2026US 2026/0216665 A1Sumitomo Chemical Company, Limited
- Porous ceramic layer, porous ceramic layered body and separation membrane30 Jul 2026US 2026/0216666 A1Sumitomo Chemical Company, Limited
- Nano-membrane, electronic device including the same, and method for manufacturing the nano-membrane23 Jul 2026US 2026/0209030 A1Kolon Industries, Inc.
- Polymeric membrane and methods for the production of same11 Dec 2025US 2025/0375739 A1Fresenius Medical Care Holdings, Inc.
Most cited
By later US patents
- Process for preparing a microporous membrane and such a membrane100US 5,076,925 AX-Flow B. V. · 1991
- Non-leaching antimicrobial films55US 6,030,632 ABioPolymerix and Surfacine Development Company · 2000
- Antimicrobial liquid compositions and methods for using them51US 5,869,073 ABioPolymerix, Inc. · 1999
- Permeable membrane and method18US 6,503,294 B2Toray Industries, Inc. · 2003
- Hydrophobic microporus membrane12US 5,051,182 A1991