B01J 20/28054
Characterised by their surface properties or porosity
Official title: {characterised by their surface properties or porosity}
B01J20/28054 (Characterised by their surface properties or porosity) appears on 3,065 US grants and 3,871 published applications in this corpus.
Search patents in B01J- Granted patents
- 3,065
- Published applications
- 3,871
- Assignees
- 1,748
- Inventors
- 8,703
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 10 | 0 |
| 1978 | 12 | 0 |
| 1979 | 10 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 10 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 16 | 0 |
| 1988 | 16 | 0 |
| 1989 | 19 | 0 |
| 1990 | 23 | 0 |
| 1991 | 28 | 0 |
| 1992 | 38 | 0 |
| 1993 | 28 | 0 |
| 1994 | 28 | 0 |
| 1995 | 30 | 0 |
| 1996 | 42 | 0 |
| 1997 | 40 | 0 |
| 1998 | 36 | 0 |
| 1999 | 36 | 0 |
| 2000 | 37 | 0 |
| 2001 | 49 | 20 |
| 2002 | 43 | 66 |
| 2003 | 56 | 89 |
| 2004 | 44 | 92 |
| 2005 | 34 | 99 |
| 2006 | 57 | 112 |
| 2007 | 58 | 102 |
| 2008 | 33 | 105 |
| 2009 | 58 | 124 |
| 2010 | 75 | 157 |
| 2011 | 61 | 125 |
| 2012 | 78 | 129 |
| 2013 | 102 | 153 |
| 2014 | 111 | 158 |
| 2015 | 100 | 171 |
| 2016 | 128 | 157 |
| 2017 | 118 | 174 |
| 2018 | 133 | 208 |
| 2019 | 150 | 208 |
| 2020 | 163 | 222 |
| 2021 | 163 | 225 |
| 2022 | 163 | 216 |
| 2023 | 163 | 225 |
| 2024 | 148 | 212 |
| 2025 | 176 | 183 |
| 2026 | 87 | 139 |
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.
- Absorption method and mesoporous alumina used for the same6 Oct 2026US 12,752,252 B2Fujimi Incorporated
- 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.
- Composite metal oxide29 Sep 2026US 12,747,166 B2SETOLAS Holdings, Inc.
- Layered Double Oxide and Preparation Method and Use Thereof8 Oct 2026US 2026/0307040 A1Quzhou Institute for Innovation in Resource Chemical Engineering
- Removal of per- and polyfluoroalkyl substances (pfas) from water with meso- and macro-porous gels8 Oct 2026US 2026/0308019 A1The University of Akron
- 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.
- Sorbent materials for gas storage1 Oct 2026US 2026/0295557 A1Entegris, Inc.
Most cited
By later US patents
- Magnetic particles for use in separations333US 4,554,088 AAdvanced Magnetics, Inc. · 1985
- Process for removing mercury from a gas or a liquid by absorption on a copper sulfide containing solid mass253US 4,094,777 AInstitut Francais du Petrole · 1978
- Imprint-coating synthesis of selective functionalized ordered mesoporous sorbents for separation and sensors251US 6,251,280 B1The University of Tennessee Research Corporation · 2001
- High performance liquid chromatography method and apparatus193US 5,919,368 ACohesive Technologies, Inc. · 1999
- Desiccant entrained polymer176US 7,005,459 B2CSP Technologies, Inc. · 2006