B01J 39/05
In the strongly acidic form
Official title: in the strongly acidic form
B01J39/05 (In the strongly acidic form) appears on 309 US grants and 375 published applications in this corpus.
Search patents in B01J- Granted patents
- 309
- Published applications
- 375
- Assignees
- 272
- Inventors
- 1,018
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 7 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 1 |
| 2002 | 5 | 10 |
| 2003 | 3 | 4 |
| 2004 | 3 | 15 |
| 2005 | 6 | 3 |
| 2006 | 5 | 5 |
| 2007 | 4 | 5 |
| 2008 | 5 | 2 |
| 2009 | 2 | 3 |
| 2010 | 3 | 6 |
| 2011 | 3 | 8 |
| 2012 | 4 | 13 |
| 2013 | 4 | 19 |
| 2014 | 11 | 15 |
| 2015 | 11 | 17 |
| 2016 | 11 | 23 |
| 2017 | 18 | 19 |
| 2018 | 19 | 17 |
| 2019 | 13 | 36 |
| 2020 | 20 | 21 |
| 2021 | 16 | 32 |
| 2022 | 17 | 22 |
| 2023 | 19 | 18 |
| 2024 | 18 | 23 |
| 2025 | 9 | 19 |
| 2026 | 7 | 19 |
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
- Cation exchange membrane and method for producing same1 Sep 2026US 12,722,125 B2Astom Corporation
- Continuous ion exchange processes for separating rare earth elements16 Jun 2026US 12,655,499 B2
- Process for producing high purity aluminum materials31 Mar 2026US 12,590,008 B2HiurA Pty Ltd
- Stepwise chemical separation methods and systems using resin packed columns3 Mar 2026US 12,567,510 B2SHINE Technologies, LLC
- Separation and purification of chemicals using ion-exchange resins17 Sep 2026US 2026/0273519 A1Materials Engineering and Technical Support Services
- Filler for ion exchange chromatography, method for producing same, and method for measuring hemoglobin component3 Sep 2026US 2026/0257216 A1Sekisui Medical Co., Ltd.
- Process for recovery of lithium from brine3 Sep 2026US 2026/0257931 A1Aquatech International Corporation
- Stepwise Chemical Separation Methods and Systems Using Resin Packed Columns20 Aug 2026US 2026/0245761 A1SHINE Technologies, LLC
- Process for producing high purity aluminium materials13 Aug 2026US 2026/0234015 A1HiPurA Pty Ltd
Most cited
By later US patents
- Ion exchange treatment for removing toxic metals and cyanide values from waste waters73US 4,321,145 A1982
- Removal of iodide compounds from non-aqueous organic media62US 4,615,806 ACelanese Corporation · 1986
- Process for removing residual monomers and oligemers from amine-containing polymers51US 5,055,197 ARohm and Haas Company · 1991
- Process employing thermally sterilizable aqueous polishing agents51US 5,518,626 AUnited Technologies Corporation · 1996
- Dialysis with ion exchange extraction of phosphates49US 4,213,859 AAkzo N. V. · 1980