B01D 15/422
Displacement mode
Official title: {Displacement mode}
B01D15/422 (Displacement mode) appears on 48 US grants and 50 published applications in this corpus.
Search patents in B01D- Granted patents
- 48
- Published applications
- 50
- Assignees
- 33
- Inventors
- 126
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 2 |
| 2003 | 3 | 3 |
| 2004 | 2 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 4 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 0 | 4 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 3 | 4 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 3 | 3 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 4 |
| 2024 | 1 | 4 |
| 2025 | 1 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process and circuit for direct lithium extraction21 Apr 2026US 12,606,886 B2ILiAD IP COMPANY, LLC
- Method of operating a liquid chromatography arrangement, a liquid chromatography arrangement, and a chromatography system24 Mar 2026US 12,582,926 B2Waters Technologies Corporation
- Multi-dimensional ligand-assisted chromatography method for the purification of rare earth elements and other metal ions from waste magnets6 Jan 2026US 12,516,400 B2Purdue Research Foundation
- Process for preparing a copolymer polyol21 Jan 2025US 12,202,938 B2Dow Global Technologies LLC
- Integrated continuous manufacturing of therapeutic protein drug substances8 Oct 2024US 12,110,312 B2Genzyme Corporation
- Multi-Dimensional Ligand-Assisted Chromatography Method for the Purification of Rare Earth Elements and Other Metal Ions from Waste Magnets23 Jul 2026US 2026/0209892 A1Purdue Research Foundation
- Process and circuit for direct lithium extraction4 Jun 2026US 2026/0152821 A1ILiAD IP COMPANY, LLC
- Process for direct lithium extraction4 Jun 2026US 2026/0152822 A1ILiAD IP COMPANY, LLC
- Differential separation process with controlled parameters relevant to solid and liquid phase11 Dec 2025US 2025/0375718 A1
- Process and circuit for direct lithium extraction11 Sep 2025US 2025/0283195 A1ILiAD IP COMPANY, LLC
Most cited
By later US patents
- Displacement chromatography process35US 5,439,591 AHemosol Inc. · 1995
- Method of displacement chromatography29US 6,379,554 B1Amalgamated Research, Inc. · 2002
- Integrated continuous manufacturing of therapeutic protein drug substances28US 9,650,412 B2Genzyme Corporation · 2017
- Continuous removal of polynuclear aromatics from hydrocarbon recycle oil27US 5,124,023 AUnion Oil Company of California · 1992
- Process for separating and purifying metallic elements by displacement chromatography25US 4,599,175 AAsahi Kasei Kogyo Kabushiki Kaisha · 1986