B01J 20/00
Solid sorbent compositions or filter aid compositions
Official title: Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
B01J20/00 (Solid sorbent compositions or filter aid compositions) appears on 14,053 US grants and 15,942 published applications in this corpus.
Search patents in B01J- Granted patents
- 14,053
- Published applications
- 15,942
- Assignees
- 5,713
- Inventors
- 32,465
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 105 | 0 |
| 1977 | 88 | 0 |
| 1978 | 77 | 0 |
| 1979 | 72 | 0 |
| 1980 | 79 | 0 |
| 1981 | 87 | 0 |
| 1982 | 77 | 0 |
| 1983 | 83 | 0 |
| 1984 | 87 | 0 |
| 1985 | 82 | 0 |
| 1986 | 73 | 0 |
| 1987 | 114 | 0 |
| 1988 | 116 | 0 |
| 1989 | 140 | 0 |
| 1990 | 135 | 0 |
| 1991 | 161 | 0 |
| 1992 | 206 | 0 |
| 1993 | 183 | 0 |
| 1994 | 186 | 0 |
| 1995 | 156 | 0 |
| 1996 | 173 | 0 |
| 1997 | 190 | 0 |
| 1998 | 210 | 0 |
| 1999 | 224 | 0 |
| 2000 | 210 | 0 |
| 2001 | 225 | 90 |
| 2002 | 245 | 328 |
| 2003 | 289 | 384 |
| 2004 | 250 | 419 |
| 2005 | 186 | 437 |
| 2006 | 227 | 450 |
| 2007 | 227 | 394 |
| 2008 | 210 | 472 |
| 2009 | 222 | 543 |
| 2010 | 326 | 614 |
| 2011 | 296 | 528 |
| 2012 | 379 | 516 |
| 2013 | 439 | 632 |
| 2014 | 429 | 634 |
| 2015 | 478 | 727 |
| 2016 | 506 | 715 |
| 2017 | 527 | 805 |
| 2018 | 590 | 841 |
| 2019 | 652 | 877 |
| 2020 | 656 | 839 |
| 2021 | 593 | 799 |
| 2022 | 553 | 838 |
| 2023 | 585 | 816 |
| 2024 | 583 | 845 |
| 2025 | 663 | 810 |
| 2026 | 403 | 589 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 20/02Comprising inorganic material7,837
- B01J 20/30Processes for preparing, regenerating, or reactivating7,401
- B01J 20/28Solid sorbent compositions or filter aid compositions: characterised by their form or7,017
- B01J 20/22Comprising organic material5,347
- B01J 20/281Sorbents specially adapted for preparative, analytical or investigative chromatography2,214
Recent patents
- Column comprising particles6 Oct 2026US 12,752,220 B2Agilent Technologies, Inc.
- High throughput moving panel direct air capture system6 Oct 2026US 12,752,238 B2Zero Carbon Systems, 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
- Super absorbent polymer and preparation method thereof6 Oct 2026US 12,752,254 B2LG Chem.Ltd.
- Polysiloxane, method for its production and deodorant comprising it8 Oct 2026US 2026/0306689 A1Sagami Chemical Research Institute
- Processes for sorbent regeneration8 Oct 2026US 2026/0306995 A1Shell USA, Inc.
- Amine compound, amine composition, carbon dioxide absorbent, method for recovering carbon dioxide, and carbon dioxide separation and recovery device8 Oct 2026US 2026/0307005 A1Mitsubishi Gas Chemical Company, Inc.
- Exhaust purification device8 Oct 2026US 2026/0307009 A1Mazda Motor Corporation
- Layered Double Oxide and Preparation Method and Use Thereof8 Oct 2026US 2026/0307040 A1Quzhou Institute for Innovation in Resource Chemical Engineering
Most cited
By later US patents
- Crystalline silicoaluminophosphates925US 4,440,871 AUnion Carbide Corporation · 1984
- Crystalline metallophosphate compositions556US 4,310,440 AUnion Carbide Corporation · 1982
- Magnetic iron-dextran microspheres466US 4,452,773 ACanadian Patents and Development Limited · 1984
- Affinity matrices of modified polysaccharide supports427US 5,059,654 ACuno Incorporated · 1991
- Absorbent article360US 4,666,983 ANippon Shokubai Kagaku Kogyo Co., Ltd. · 1987