B01J 20/28052
Several layers of identical or different sorbents stacked in a housing
Official title: {Several layers of identical or different sorbents stacked in a housing, e.g. in a column}
B01J20/28052 (Several layers of identical or different sorbents stacked in a housing) appears on 369 US grants and 492 published applications in this corpus.
Search patents in B01J- Granted patents
- 369
- Published applications
- 492
- Assignees
- 319
- Inventors
- 1,209
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 3 |
| 2002 | 3 | 5 |
| 2003 | 10 | 11 |
| 2004 | 6 | 8 |
| 2005 | 5 | 15 |
| 2006 | 4 | 17 |
| 2007 | 11 | 12 |
| 2008 | 7 | 10 |
| 2009 | 4 | 15 |
| 2010 | 3 | 13 |
| 2011 | 10 | 17 |
| 2012 | 14 | 17 |
| 2013 | 8 | 15 |
| 2014 | 8 | 13 |
| 2015 | 10 | 25 |
| 2016 | 13 | 17 |
| 2017 | 11 | 18 |
| 2018 | 16 | 21 |
| 2019 | 21 | 24 |
| 2020 | 15 | 33 |
| 2021 | 20 | 49 |
| 2022 | 22 | 31 |
| 2023 | 35 | 28 |
| 2024 | 26 | 31 |
| 2025 | 23 | 22 |
| 2026 | 19 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Chromatography beads, production and use thereof1 Sep 2026US 12,722,143 B2Cytiva BioProcess R&D AB
- Adsorbent material, adsorption system, and adsorption process25 Aug 2026US 12,714,985 B2Air Products and Chemicals, Inc.
- Adsorbent bed with increased hydrothermal stability4 Aug 2026US 12,697,578 B2BASF SE
- Sorbent for lithium extraction from brines8 Oct 2026US 2026/0307042 A1International Battery Metals, Ltd.
- Adsorbent filter assembly1 Oct 2026US 2026/0295488 A1Donaldson Company, Inc.
- Adsorbent Material, Adsorption System, and Adsorption Process For Hydrogen Recovery17 Sep 2026US 2026/0274664 A1Air Products and Chemicals, Inc.
- 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.
- A sorbent device for sorptive sampling10 Sep 2026US 2026/0266699 A1Markes International Limited
Most cited
By later US patents
- Affinity matrices of modified polysaccharide supports427US 5,059,654 ACuno Incorporated · 1991
- Sodium zirconium carbonate and zirconium basic carbonate and methods of making the same194US 6,627,164 B1Renal Solutions, Inc. · 2003
- Method and composition for removing uremic toxins in dialysis processes191US 7,241,272 B2Baxter International Inc. · 2007
- 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