B01J 47/016
Modification or after-treatment of ion-exchangers
B01J47/016 (Modification or after-treatment of ion-exchangers) appears on 184 US grants and 195 published applications in this corpus.
Search patents in B01J- Granted patents
- 184
- Published applications
- 195
- Assignees
- 145
- Inventors
- 489
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 7 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 7 |
| 2004 | 4 | 5 |
| 2005 | 1 | 6 |
| 2006 | 1 | 12 |
| 2007 | 5 | 8 |
| 2008 | 3 | 7 |
| 2009 | 5 | 10 |
| 2010 | 6 | 5 |
| 2011 | 5 | 5 |
| 2012 | 3 | 5 |
| 2013 | 2 | 6 |
| 2014 | 2 | 5 |
| 2015 | 8 | 1 |
| 2016 | 1 | 5 |
| 2017 | 3 | 5 |
| 2018 | 5 | 10 |
| 2019 | 9 | 18 |
| 2020 | 13 | 15 |
| 2021 | 8 | 8 |
| 2022 | 7 | 7 |
| 2023 | 6 | 11 |
| 2024 | 10 | 13 |
| 2025 | 5 | 12 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dry ion exchange resin manufacturing method and manufacturing device, and treatment target liquid purifying method and purifying device15 Sep 2026US 12,734,517 B2Organo Corporation
- Formulations and processes for treating water from impacted sources25 Aug 2026US 12,714,991 B2Brown University
- Resin for removing phosphorus from water body, and preparation method therefor and application thereof25 Aug 2026US 12,715,791 B2Sunresin New Materials Co. Ltd.
- Free standing metal-ion doped thin films5 May 2026US 12,617,909 B1Silverpeutics, Inc.
- Composite ion exchange membrane and method of making same28 Apr 2026US 12,612,496 B2
- Chemically enhanced electrodialysis (ceed): a universal platform for selective ion removal30 Jul 2026US 2026/0216660 A1Texas Tech University System
- Free Standing Metal-Ion Doped Thin Films30 Jul 2026US 2026/0217929 A1Silverpeutics, Inc.
- Epoxidation of porous amine-based phenylic polymer resins and methods of use for carbon dioxide capture18 Jun 2026US 2026/0166470 A1Climeworks AG
- Free Standing Metal-Ion Doped Thin Films7 May 2026US 2026/0125526 A1Silverpeutics, Inc.
- Method for preparing schiff base-modified ionic framework material and use thereof in advanced purification of 177 lu-containing medical wastewater23 Apr 2026US 2026/0108871 A1Southwest University of Science and Technology
Most cited
By later US patents
- Recovery of lithium from brines91US 4,116,858 AThe Dow Chemical Company · 1978
- Recovery of lithium from brines90US 4,159,311 AThe Dow Chemical Company · 1979
- Recovery of lithium from brine85US 4,291,001 AThe Dow Chemical Company · 1981
- Recovery of lithium from brines62US 4,116,856 AThe Dow Chemical Company · 1978
- High performance ion exchange composition55US 4,101,460 AThe Dow Chemical Company · 1978