B01J 20/2808
Being less than 2 nm, i.e. micropores or nanopores
Official title: {being less than 2 nm, i.e. micropores or nanopores}
B01J20/2808 (Being less than 2 nm, i.e. micropores or nanopores) appears on 453 US grants and 647 published applications in this corpus.
Search patents in B01J- Granted patents
- 453
- Published applications
- 647
- Assignees
- 431
- Inventors
- 1,695
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 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 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 4 |
| 2002 | 5 | 8 |
| 2003 | 15 | 14 |
| 2004 | 10 | 12 |
| 2005 | 8 | 22 |
| 2006 | 10 | 15 |
| 2007 | 9 | 12 |
| 2008 | 5 | 13 |
| 2009 | 10 | 17 |
| 2010 | 6 | 18 |
| 2011 | 7 | 20 |
| 2012 | 7 | 19 |
| 2013 | 14 | 25 |
| 2014 | 18 | 20 |
| 2015 | 13 | 27 |
| 2016 | 22 | 27 |
| 2017 | 23 | 34 |
| 2018 | 15 | 30 |
| 2019 | 32 | 38 |
| 2020 | 26 | 32 |
| 2021 | 23 | 50 |
| 2022 | 24 | 46 |
| 2023 | 33 | 45 |
| 2024 | 28 | 34 |
| 2025 | 35 | 41 |
| 2026 | 22 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for purifying solvents1 Sep 2026US 12,722,140 B2Fujifilm Electronic Materials U.S.A., Inc.
- Nanoporous pure silica zeolites25 Aug 2026US 12,714,980 B2University of Puerto Rico
- Adsorbent material, adsorption system, and adsorption process25 Aug 2026US 12,714,985 B2Air Products and Chemicals, Inc.
- Microporous aerogel21 Jul 2026US 12,685,995 B2Commonwealth Scientific and Industrial Research Organisation
- Carbonaceous material and method for producing same, and fluorine-containing organic compound removing material, water purification filter, and water purifier14 Jul 2026US 12,678,766 B2Kuraray Co., Ltd.
- Catalyst-Sorbent Hybrid Process for Organic Sulfur Removal27 Aug 2026US 2026/0249267 A1TDA Research, Inc.
- Porous material for hydrogen purification and method for producing same, and hydrogen purification apparatus20 Aug 2026US 2026/0241366 A1Osaka Gas Chemicals Co., Ltd.
- Sorption-Enhanced Conversion of Oxygenates to Hydrocarbons20 Aug 2026US 2026/0242671 A1Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Carbonaceous materials for use in methods of manufacturing activated carbon30 Jul 2026US 2026/0216692 A1Arq IP Limited
- Nanoporous pure silica zeolites23 Jul 2026US 2026/0208151 A1University of Puerto Rico
Most cited
By later US patents
- Process for purifying a gas by adsorption of the impurities on several active carbons147US 6,402,813 B2L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2002
- Microporous filter media, filtration systems containing same, and methods of making and using114US 6,630,016 B2Koslow Technologies Corporation · 2003
- Isoreticular metal-organic frameworks, process for forming the same, and systematic design of pore size and functionality therein, with application for gas storage106US 6,930,193 B2The Regents of the University of Michigan · 2005
- Porous inorganic/organic hybrid particles for chromatographic separations and process for their preparation94US 6,686,035 B2Waters Investments Limited · 2004
- Adsorbent sheet material for parallel passage contactors94US 7,077,891 B2Air Products and Chemicals, Inc. · 2006