B01D 67/0048
By sol-gel transition
Official title: {by sol-gel transition}
B01D67/0048 (By sol-gel transition) appears on 182 US grants and 168 published applications in this corpus.
Search patents in B01D- Granted patents
- 182
- Published applications
- 168
- Assignees
- 145
- Inventors
- 517
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 12 | 0 |
| 1993 | 9 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 2 |
| 2002 | 5 | 4 |
| 2003 | 4 | 3 |
| 2004 | 2 | 13 |
| 2005 | 5 | 8 |
| 2006 | 2 | 3 |
| 2007 | 7 | 12 |
| 2008 | 3 | 10 |
| 2009 | 3 | 10 |
| 2010 | 5 | 11 |
| 2011 | 7 | 8 |
| 2012 | 6 | 7 |
| 2013 | 14 | 12 |
| 2014 | 7 | 8 |
| 2015 | 6 | 4 |
| 2016 | 2 | 6 |
| 2017 | 8 | 10 |
| 2018 | 4 | 6 |
| 2019 | 8 | 4 |
| 2020 | 4 | 9 |
| 2021 | 2 | 2 |
| 2022 | 3 | 3 |
| 2023 | 4 | 3 |
| 2024 | 4 | 5 |
| 2025 | 2 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Membrane supporting structures17 Feb 2026US 12,551,854 B2Memzyme, LLC
- Preparation method of organosilica/ceramic composite membrane with a gradient pore structure10 Feb 2026US 12,544,721 B2Changzhou University
- Self-assembled surfactant structures12 Aug 2025US 12,384,699 B2Crosstek Holding Company LLC
- Nanoporous selective sol-gel ceramic membranes28 Jan 2025US 12,208,362 B2University of Washington
- Method for preparing zeolite CHA membrane22 Oct 2024US 12,121,866 B2Dalian University of Technology
- Organosilica membrane with porous intermediate layer and method for preparing the same21 May 2026US 2026/0138095 A1Changzhou University
- Process for preparing a green multilayer sol-gel ceramic membrane2 Apr 2026US 2026/0092013 A1Petroleo Brasileiro S.A. - Petrobras
- Gas isolation method29 Jan 2026US 2026/0027514 A1Daikin Industries, Ltd.
- Multilayer sol-gel green ceramic membrane and uses thereof25 Dec 2025US 2025/0387762 A1PetróLeo Brasileiro S.A. - Pretrobras
- Nanoporous selective sol-gel ceramic membranes7 Aug 2025US 2025/0249411 A1University of Washington
Most cited
By later US patents
- Process to form mesostructured films157US 5,858,457 ASandia Corporation · 1999
- Supported inorganic membranes119US 5,772,735 ASandia Natl Laboratories · 1998
- Microporous articles and methods of preparation73US 7,160,603 B2Sion Power Corporation · 2007
- High flux membrane67US 4,749,487 ASyrinx Research Pty. Ltd. · 1988
- Metal oxide porous ceramic membranes with small pore sizes65US 5,006,248 AWisconsin Alumni Research Foundation · 1991