B01J 2220/40
Aspects relating to the composition of sorbent or filter aid materials
B01J2220/40 (Aspects relating to the composition of sorbent or filter aid materials) appears on 1,760 US grants and 2,314 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,760
- Published applications
- 2,314
- Assignees
- 1,313
- Inventors
- 5,402
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 7 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 11 | 0 |
| 1988 | 10 | 0 |
| 1989 | 10 | 0 |
| 1990 | 8 | 0 |
| 1991 | 12 | 0 |
| 1992 | 17 | 0 |
| 1993 | 14 | 0 |
| 1994 | 15 | 0 |
| 1995 | 13 | 0 |
| 1996 | 17 | 0 |
| 1997 | 16 | 0 |
| 1998 | 24 | 0 |
| 1999 | 16 | 0 |
| 2000 | 10 | 0 |
| 2001 | 27 | 14 |
| 2002 | 29 | 60 |
| 2003 | 49 | 78 |
| 2004 | 30 | 62 |
| 2005 | 34 | 91 |
| 2006 | 33 | 70 |
| 2007 | 40 | 54 |
| 2008 | 40 | 89 |
| 2009 | 40 | 78 |
| 2010 | 55 | 107 |
| 2011 | 57 | 103 |
| 2012 | 73 | 108 |
| 2013 | 80 | 112 |
| 2014 | 85 | 110 |
| 2015 | 71 | 87 |
| 2016 | 67 | 81 |
| 2017 | 55 | 74 |
| 2018 | 63 | 95 |
| 2019 | 63 | 95 |
| 2020 | 71 | 98 |
| 2021 | 67 | 114 |
| 2022 | 63 | 164 |
| 2023 | 93 | 97 |
| 2024 | 95 | 126 |
| 2025 | 93 | 81 |
| 2026 | 42 | 66 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 2220/42Materials comprising a mixture of inorganic materialsIndexing code710
- B01J 2220/48Sorbents characterised by the starting material used for their preparationIndexing code622
- B01J 2220/46Materials comprising a mixture of inorganic and organic materialsIndexing code446
- B01J 2220/44Materials comprising a mixture of organic materialsIndexing code184
- B01J 2220/49Materials comprising an indicatorIndexing code101
Recent patents
- 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
- Hydrated lime for carbon capture1 Sep 2026US 12,722,136 B1Lhoist North America, Inc.
- Polymeric sorbents for aldehydes and methods of making1 Sep 2026US 12,722,139 B23M Innovative Properties Company
- Systems and methods for purifying solvents1 Sep 2026US 12,722,140 B2Fujifilm Electronic Materials U.S.A., Inc.
- 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
- Desiccant entrained polymer287US 5,911,937 ACapitol Specialty Plastics, Inc. · 1999
- Sodium zirconium carbonate and zirconium basic carbonate and methods of making the same194US 6,627,164 B1Renal Solutions, Inc. · 2003
- Zirconium phosphate and method of making the same179US 6,818,196 B2Renal Solutions, Inc. · 2004
- Cartridges useful in cleaning dialysis solutions175US 7,033,498 B2Renal Solutions, Inc. · 2006
- Biochar157US 8,361,186 B1Full Circle Biochar, Inc. · 2013