B01J 49/07
Containing anionic exchangers
Official title: containing anionic exchangers
B01J49/07 (Containing anionic exchangers) appears on 90 US grants and 109 published applications in this corpus.
Search patents in B01J- Granted patents
- 90
- Published applications
- 109
- Assignees
- 98
- Inventors
- 299
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 4 |
| 2006 | 0 | 2 |
| 2007 | 2 | 4 |
| 2008 | 3 | 5 |
| 2009 | 3 | 1 |
| 2010 | 2 | 3 |
| 2011 | 0 | 3 |
| 2012 | 0 | 5 |
| 2013 | 4 | 6 |
| 2014 | 3 | 5 |
| 2015 | 6 | 4 |
| 2016 | 1 | 7 |
| 2017 | 5 | 2 |
| 2018 | 5 | 6 |
| 2019 | 3 | 5 |
| 2020 | 7 | 8 |
| 2021 | 5 | 6 |
| 2022 | 6 | 8 |
| 2023 | 3 | 5 |
| 2024 | 3 | 7 |
| 2025 | 7 | 8 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device and method for passive collection of atmospheric carbon dioxide with a double-walled harvest chamber29 Sep 2026US 12,746,508 B2Arizona Board of Regents on behalf of Arizona State University
- Process for removing cyanide from a cyanide-bearing aqueous fluid21 Apr 2026US 12,606,462 B2Commonwealth Scientific and Industrial Research Organisation
- Oxygenated hydrocarbon production system with acidic impurity removal resin column16 Dec 2025US 12,497,372 B2SipChem Sahara International Petrochemical Company JSC
- Method and system for removing contaminants from soil25 Nov 2025US 12,479,016 B2Brice Environmental Services Corporation
- Separation media, devices and applications thereof7 Oct 2025US 12,434,232 B2The University of North Carolina at Charlotte
- Regeneration of anion exchange resins1 Oct 2026US 2026/0295573 A1
- Method for producing lithium-containing solution25 Jun 2026US 2026/0175197 A1Sumitomo Metal Mining Co., Ltd.
- Impurity acquisition method and impurity acquisition apparatus for acquiring metal impurities in organic solvents15 Jan 2026US 2026/0014494 A1Organo Corporation
- Method for producing high purity lithium carbonate from waste saggar using anion exchange27 Nov 2025US 2025/0361581 A1Koreaseparation Co., Ltd.
- Continuous ion exchange and esterification of fermented malonic acid28 Aug 2025US 2025/0269366 A1Lygos, Inc.
Most cited
By later US patents
- Recovery of fluorinated emulsifying acids from basic anion exchangers76US 4,282,162 AHoechst Aktiengesellschaft · 1981
- Method of obtaining an organic salt or acid from an aqueous sugar stream25US 7,718,070 B2Iogen Energy Corporation · 2010
- Process for removing selenium from wastewater effluent24US 4,915,928 AChevron Research Company · 1990
- Cyanide recovery22US 4,267,159 ACrane Co. · 1981
- Process of making regenerated cellulose articles13US 5,441,689 ACourtaulds Limited · 1995