B01D 67/0044
By chemical reaction
Official title: {by chemical reaction}
B01D67/0044 (By chemical reaction) appears on 73 US grants and 69 published applications in this corpus.
Search patents in B01D- Granted patents
- 73
- Published applications
- 69
- Assignees
- 67
- Inventors
- 247
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 2 |
| 2002 | 1 | 1 |
| 2003 | 3 | 5 |
| 2004 | 4 | 3 |
| 2005 | 2 | 3 |
| 2006 | 2 | 3 |
| 2007 | 1 | 5 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 4 |
| 2016 | 1 | 2 |
| 2017 | 1 | 4 |
| 2018 | 2 | 6 |
| 2019 | 4 | 3 |
| 2020 | 4 | 6 |
| 2021 | 3 | 0 |
| 2022 | 1 | 4 |
| 2023 | 2 | 1 |
| 2024 | 0 | 4 |
| 2025 | 3 | 3 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cross-linked mineral membranes6 Oct 2026US 12,752,244 B2Uchicago Argonne, LLC
- All-carbon film based on activated carbon and preparation method and use thereof14 Jul 2026US 12,678,742 B2Zhejiang University
- Testing system10 Feb 2026US 12,544,759 B2Leadway (Hk) Limited
- Graphene oxide composite membranes18 Nov 2025US 12,472,471 B1Evercloak Inc.
- Engineered coating for filters and methods of manufacture thereof12 Aug 2025US 12,383,870 B2Mott Corporation
- Pillared clay mineral membranes1 Oct 2026US 2026/0295541 A1The University of Chicago
- Preparation method of nh2-uio-66 encapsulated sulfamic acid and use thereof23 Jul 2026US 2026/0208119 A1China Three Gorges University
- Testing system25 Jun 2026US 2026/0175228 A1Leadway (Hk) Limited
- Solid-state membrane for selective capture of carbon dioxide11 Jun 2026US 2026/0158443 A1Valero Services, Inc.
- Graphene oxide composite membranes5 Feb 2026US 2026/0034518 A1
Most cited
By later US patents
- Porous silicon structures with high surface area/specific pore size105US 5,882,496 AThe Regents of the University of California · 1999
- Process for forming a porous silicon member in a crystalline silicon member59US 6,004,450 AThe Regents of the University of California · 1999
- Ceramic porous material and method of making same41US 5,645,891 ABattelle Memorial Institute · 1997
- Micro- and nano-porous metallic structures34US 4,977,038 A1990
- Proton conducting membrane using a solid acid34US 6,468,684 B1California Institute of Technology · 2002