B01J 2220/00
Aspects relating to sorbent materials
B01J2220/00 (Aspects relating to sorbent materials) appears on 3,817 US grants and 4,378 published applications in this corpus.
Search patents in B01J- Granted patents
- 3,817
- Published applications
- 4,378
- Assignees
- 2,131
- Inventors
- 9,876
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 22 | 0 |
| 1978 | 13 | 0 |
| 1979 | 20 | 0 |
| 1980 | 21 | 0 |
| 1981 | 21 | 0 |
| 1982 | 19 | 0 |
| 1983 | 23 | 0 |
| 1984 | 21 | 0 |
| 1985 | 24 | 0 |
| 1986 | 16 | 0 |
| 1987 | 34 | 0 |
| 1988 | 34 | 0 |
| 1989 | 30 | 0 |
| 1990 | 30 | 0 |
| 1991 | 39 | 0 |
| 1992 | 65 | 0 |
| 1993 | 38 | 0 |
| 1994 | 48 | 0 |
| 1995 | 39 | 0 |
| 1996 | 53 | 0 |
| 1997 | 72 | 0 |
| 1998 | 62 | 0 |
| 1999 | 62 | 0 |
| 2000 | 53 | 0 |
| 2001 | 62 | 28 |
| 2002 | 65 | 128 |
| 2003 | 97 | 149 |
| 2004 | 76 | 152 |
| 2005 | 69 | 185 |
| 2006 | 83 | 177 |
| 2007 | 88 | 131 |
| 2008 | 81 | 167 |
| 2009 | 85 | 163 |
| 2010 | 108 | 207 |
| 2011 | 106 | 189 |
| 2012 | 133 | 182 |
| 2013 | 147 | 183 |
| 2014 | 132 | 177 |
| 2015 | 132 | 184 |
| 2016 | 128 | 160 |
| 2017 | 106 | 144 |
| 2018 | 134 | 175 |
| 2019 | 119 | 194 |
| 2020 | 151 | 190 |
| 2021 | 131 | 208 |
| 2022 | 117 | 268 |
| 2023 | 169 | 185 |
| 2024 | 155 | 203 |
| 2025 | 173 | 149 |
| 2026 | 93 | 100 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 2220/50Aspects relating to the use of sorbent or filter aid materialsIndexing code2,335
- B01J 2220/40Aspects relating to the composition of sorbent or filter aid materialsIndexing code1,760
- B01J 2220/80Aspects related to sorbents specially adapted for preparative, analytical or investigative chromatographyIndexing code322
Recent patents
- Preparation method of superabsorbent polymer6 Oct 2026US 12,752,255 B2LG Chem.Ltd.
- Continuous polymerization reactor for super absorbent polymer and continuous polymerization reaction system6 Oct 2026US 12,753,249 B2LG Chem.Ltd.
- Channeled fibers in separation of biologically active nanoparticles22 Sep 2026US 12,741,234 B2Clemson University Research Foundation
- Materials including alkyl diamine-substituted aryl compounds, methods of making, and methods of separating CO215 Sep 2026US 12,734,481 B2Georgia Tech Research Corporation
- Layered ferric rust and iron hydroxide nanoparticles including the same8 Sep 2026US 12,728,401 B2Korea University Research and Business Foundation
- Layered Double Oxide and Preparation Method and Use Thereof8 Oct 2026US 2026/0307040 A1Quzhou Institute for Innovation in Resource Chemical Engineering
- Amino acid based carbon dioxide capture catalyzed with three-dimensional graphene8 Oct 2026US 2026/0307044 A1University of Wyoming
- Carbon dioxide absorbent, method for recovering carbon dioxide, and apparatus for separating and recovering carbon dioxide8 Oct 2026US 2026/0307045 A1Mitsubishi Gas Chemical Company, Inc.
- Carbon dioxide absorbent, method for recovering carbon dioxide, and apparatus for separating and recovering carbon dioxide8 Oct 2026US 2026/0307046 A1Mitsubishi Gas Chemical Company, Inc.
- System and method for fluid capture8 Oct 2026US 2026/0307048 A1Ge Vernova Technology GmbH
Most cited
By later US patents
- Magnetic particles for use in separations333US 4,554,088 AAdvanced Magnetics, Inc. · 1985
- Plasma concentrate apparatus and method289US 6,905,612 B2Hanuman LLC · 2005
- Desiccant entrained polymer287US 5,911,937 ACapitol Specialty Plastics, Inc. · 1999
- 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