B01J 20/3225
Involving a post-treatment of the coated or impregnated product
Official title: {involving a post-treatment of the coated or impregnated product}
B01J20/3225 (Involving a post-treatment of the coated or impregnated product) appears on 192 US grants and 196 published applications in this corpus.
Search patents in B01J- Granted patents
- 192
- Published applications
- 196
- Assignees
- 176
- Inventors
- 549
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 12 | 0 |
| 1993 | 1 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 4 |
| 2002 | 4 | 6 |
| 2003 | 7 | 10 |
| 2004 | 3 | 5 |
| 2005 | 1 | 2 |
| 2006 | 5 | 8 |
| 2007 | 2 | 7 |
| 2008 | 2 | 7 |
| 2009 | 6 | 6 |
| 2010 | 4 | 7 |
| 2011 | 2 | 2 |
| 2012 | 4 | 3 |
| 2013 | 3 | 8 |
| 2014 | 5 | 9 |
| 2015 | 6 | 8 |
| 2016 | 2 | 6 |
| 2017 | 7 | 8 |
| 2018 | 10 | 12 |
| 2019 | 2 | 8 |
| 2020 | 4 | 4 |
| 2021 | 9 | 15 |
| 2022 | 6 | 8 |
| 2023 | 6 | 12 |
| 2024 | 10 | 13 |
| 2025 | 8 | 12 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process of forming a gas adsorbant macroporous material15 Sep 2026US 12,734,503 B2Spiritus Technologies, Pbc
- Adsorbent aerogel membrane sheets for direct air capture of CO29 Jun 2026US 12,649,147 B2Xerox Corporation
- Methods and compositions for recovery of lithium from liquid solutions with nanoparticles10 Feb 2026US 12,545,975 B2
- Water-absorbing material and uses thereof13 Jan 2026US 12,521,466 B27905122 Canada Inc.
- SO2 adsorption material, preparation method therefor and application thereof, and method for removing SO2 from flue gas containing SO213 Jan 2026US 12,521,674 B2China Petroleum & Chemical Corporation
- Amine-functionalized cellulose material, method for producing same, and use thereof as co2 adsorber13 Aug 2026US 2026/0234849 A1
- Chromatographic composition and methods of producing the chromatographic composition30 Jul 2026US 2026/0216699 A1Advanced Materials Technology, Inc.
- Methods and compositions for recovery of lithium from liquid solutions with nanoparticles21 May 2026US 2026/0139343 A1Moselle Technologies, LLC
- Graphene composite material modified with coordinating group, method of preparation and use thereof30 Apr 2026US 2026/0115684 A1Ming Chi University of Technology
- Hydrophobic interaction chromatography (hic) composition and method of producing the hic composition5 Mar 2026US 2026/0061394 A1
Most cited
By later US patents
- Polar-modified bonded phase materials for chromatographic separations90US 7,125,488 B2Varian, Inc. · 2006
- Immobilized polyethylene oxide star molecules for bioapplications84US 5,275,838 AMassachusetts Institute of Technology · 1994
- Liquid chromatography stationary phases with reduced silanol interactions83US 5,374,755 AMillipore Corporation · 1994
- Substrates with sterically-protected, stable, covalently-bonded organo-silane films80US 4,705,725 AE. I. Du Pont de Nemours and Company · 1987
- Switchable surfaces75US 7,020,355 B2Massachusetts Institute of Technology · 2006