B01J 20/28069
Pore volume
Official title: {Pore volume, e.g. total pore volume, mesopore volume, micropore volume}
B01J20/28069 (Pore volume) appears on 947 US grants and 1,254 published applications in this corpus.
Search patents in B01J- Granted patents
- 947
- Published applications
- 1,254
- Assignees
- 629
- Inventors
- 2,873
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 14 | 0 |
| 2001 | 8 | 8 |
| 2002 | 12 | 16 |
| 2003 | 11 | 18 |
| 2004 | 11 | 24 |
| 2005 | 3 | 17 |
| 2006 | 16 | 23 |
| 2007 | 15 | 21 |
| 2008 | 6 | 30 |
| 2009 | 11 | 35 |
| 2010 | 17 | 38 |
| 2011 | 14 | 31 |
| 2012 | 22 | 35 |
| 2013 | 19 | 51 |
| 2014 | 24 | 47 |
| 2015 | 34 | 63 |
| 2016 | 43 | 57 |
| 2017 | 52 | 67 |
| 2018 | 53 | 72 |
| 2019 | 50 | 65 |
| 2020 | 62 | 80 |
| 2021 | 59 | 81 |
| 2022 | 58 | 75 |
| 2023 | 67 | 92 |
| 2024 | 58 | 87 |
| 2025 | 77 | 72 |
| 2026 | 37 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Column comprising particles6 Oct 2026US 12,752,220 B2Agilent Technologies, Inc.
- M-xylene adsorbent and preparation method therefor6 Oct 2026US 12,752,253 B2China Petroleum & Chemical Corporation
- Silicon-aluminum-iron composite material, and preparation method therefor and use thereof29 Sep 2026US 12,746,526 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Adsorbent material, adsorption system, and adsorption process for hydrogen recovery8 Sep 2026US 12,729,116 B2Air Products and Chemicals, Inc.
- Hydrated lime for carbon capture1 Sep 2026US 12,722,136 B1Lhoist North America, Inc.
- Selective hydrodechlorination of liquid and gas streams from plastics pyrolysis processes8 Oct 2026US 2026/0308088 A1BASF SE
- Hydrated Lime for Carbon Capture1 Oct 2026US 2026/0295556 A1Lhoist North America, Inc.
- High performance co2 adsorbents made from natural silk1 Oct 2026US 2026/0295558 A1Wisconsin Alumni Research Foundation
- Clarifying agents1 Oct 2026US 2026/0297475 A1PQ Corporation
- Carbon-carbon composite sorbent formulations for carbon dioxide adsorption, and related methods24 Sep 2026US 2026/0284634 A1Schlumberger Technology Corporation
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
- Block copolymer processing for mesostructured inorganic oxide materials131US 6,592,764 B1The Regents of the University of California · 2003
- Hollow porous microspheres as substrates and containers for catalysts and method of making same124US 4,637,990 A1987
- Separation of carbon dioxide (CO2) from gas mixtures120US 7,618,606 B2The Ohio State University · 2009
- Composite materials comprising supported porous gels116US 7,316,919 B2Nysa Membrane Technologies · 2008