B01D 2323/02
Hydrophilization
B01D2323/02 (Hydrophilization) appears on 271 US grants and 386 published applications in this corpus.
Search patents in B01D- Granted patents
- 271
- Published applications
- 386
- Assignees
- 227
- Inventors
- 936
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 2 | 0 |
| 2004 | 1 | 6 |
| 2005 | 2 | 8 |
| 2006 | 3 | 9 |
| 2007 | 3 | 15 |
| 2008 | 4 | 10 |
| 2009 | 4 | 18 |
| 2010 | 5 | 20 |
| 2011 | 12 | 16 |
| 2012 | 12 | 13 |
| 2013 | 10 | 10 |
| 2014 | 12 | 15 |
| 2015 | 4 | 25 |
| 2016 | 11 | 26 |
| 2017 | 20 | 23 |
| 2018 | 12 | 21 |
| 2019 | 23 | 21 |
| 2020 | 17 | 20 |
| 2021 | 17 | 16 |
| 2022 | 10 | 26 |
| 2023 | 14 | 25 |
| 2024 | 11 | 19 |
| 2025 | 19 | 12 |
| 2026 | 9 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oil-water separation systems and methods of separating aqueous emulsions15 Sep 2026US 12,734,486 B2Aculon, Inc.
- Polymeric fabric19 May 2026US 12,629,920 B2Sefar AG
- Surface-modified polyethersulfone membranes and method of making thereof5 May 2026US 12,616,941 B2Life Technologies Corporation
- Hollow fiber membrane module21 Apr 2026US 12,605,675 B2Nok Corporation
- Methods for treating porous membranes24 Mar 2026US 12,582,944 B2Apache Corporation
- Composite semipermeable membrane, composite semipermeable membrane module, fluid separation device, and method for producing composite semipermeable membrane6 Aug 2026US 2026/0225045 A1Toray Industries, 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
- Filtration membrane, filtration device and manufacturing method of filtration membrane18 Jun 2026US 2026/0166495 A1Industrial Technology Research Institute
- Highly co2-selective asymmetric polymeric membranes and process for preparing the same30 Apr 2026US 2026/0115650 A1Sogang University Research & Business Development Foundation
Most cited
By later US patents
- Hydrophilic polymeric phase inversion membrane206US 6,071,406 AWhatman, Inc. · 2000
- Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters156US 6,045,899 AUSF Filtration and Separations Group, Inc. · 2000
- Flat or capillary membrane based on a homogeneous mixture of polyvinylidene fluoride and a second polymer which can be rendered hydrophilic by chemical reaction100US 5,066,401 AAkzo N. V. · 1991
- Modified membranes85US 7,300,022 B2Siemens Water Technologies Corp. · 2007
- Method for making semi-permeable polymer membranes81US 5,275,766 ACorning Incorporate · 1994