B01J 2220/48
Sorbents characterised by the starting material used for their preparation
B01J2220/48 (Sorbents characterised by the starting material used for their preparation) appears on 622 US grants and 839 published applications in this corpus.
Search patents in B01J- Granted patents
- 622
- Published applications
- 839
- Assignees
- 607
- Inventors
- 2,086
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 10 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 13 | 0 |
| 1997 | 9 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 3 |
| 2002 | 4 | 22 |
| 2003 | 13 | 22 |
| 2004 | 12 | 17 |
| 2005 | 11 | 21 |
| 2006 | 6 | 21 |
| 2007 | 12 | 20 |
| 2008 | 7 | 25 |
| 2009 | 16 | 20 |
| 2010 | 25 | 44 |
| 2011 | 14 | 30 |
| 2012 | 22 | 28 |
| 2013 | 25 | 35 |
| 2014 | 18 | 43 |
| 2015 | 19 | 34 |
| 2016 | 21 | 31 |
| 2017 | 22 | 25 |
| 2018 | 26 | 39 |
| 2019 | 24 | 39 |
| 2020 | 32 | 45 |
| 2021 | 21 | 41 |
| 2022 | 23 | 52 |
| 2023 | 36 | 44 |
| 2024 | 44 | 60 |
| 2025 | 31 | 42 |
| 2026 | 18 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polymeric sorbents for aldehydes and methods of making1 Sep 2026US 12,722,139 B23M Innovative Properties Company
- Surface molecularly imprinted magnetic nanometer material of salvianolic acid A, preparation method therefor and use thereof1 Sep 2026US 12,722,142 B2Zhejiang Chinese Medical University
- Biogenic activated carbon and methods of making and using same28 Apr 2026US 12,611,649 B2Carbon Technology Holdings, LLC
- Mineral fiber product28 Apr 2026US 12,612,782 B2Rockwool A/S
- Insulation products7 Apr 2026US 12,595,655 B2Rockwool A/S
- 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
- Photothermal polymeric aerogels for wastewater detoxification and water recycling8 Oct 2026US 2026/0308020 A1University of Kentucky Research Foundation
- Water-absorbent resin particles and production method therefor, absorbent body, and absorbent article17 Sep 2026US 2026/0273507 A1Sumitomo Seika Chemicals Co., Ltd.
- Porous monolithic polymer for separation and purification of biological particles, method for production of porous monolithic polymer for separation and purification of biological particles, and method for separation and purification of biological particles composed of phospholipids using porous monolithic polymer for separation and purification of biological particles10 Sep 2026US 2026/0264047 A1Glory Industry Co., Ltd.
Most cited
By later US patents
- Biochar157US 8,361,186 B1Full Circle Biochar, Inc. · 2013
- Product/process/application for removal of mercury from liquid hydrocarbon155US 5,336,835 ACalgon Carbon Corporation · 1994
- Microporous filter media, filtration systems containing same, and methods of making and using114US 6,630,016 B2Koslow Technologies Corporation · 2003
- Composite adsorbent and process for producing same104US 5,231,063 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1993
- Method for the removal of mercury from a gas stream92US 6,974,564 B2CDEM Holland, BV · 2005