B01D 15/3828
Ligand exchange chromatography
Official title: {Ligand exchange chromatography, e.g. complexation, chelation or metal interaction chromatography}
B01D15/3828 (Ligand exchange chromatography) appears on 168 US grants and 255 published applications in this corpus.
Search patents in B01D- Granted patents
- 168
- Published applications
- 255
- Assignees
- 192
- Inventors
- 613
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 1 |
| 2003 | 3 | 1 |
| 2004 | 0 | 12 |
| 2005 | 3 | 2 |
| 2006 | 2 | 14 |
| 2007 | 7 | 10 |
| 2008 | 3 | 7 |
| 2009 | 1 | 6 |
| 2010 | 3 | 9 |
| 2011 | 6 | 9 |
| 2012 | 4 | 14 |
| 2013 | 5 | 6 |
| 2014 | 4 | 11 |
| 2015 | 12 | 17 |
| 2016 | 7 | 17 |
| 2017 | 10 | 8 |
| 2018 | 14 | 10 |
| 2019 | 8 | 7 |
| 2020 | 9 | 17 |
| 2021 | 13 | 14 |
| 2022 | 6 | 15 |
| 2023 | 7 | 14 |
| 2024 | 8 | 12 |
| 2025 | 7 | 14 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Porous scaffolds for electrochemically-controlled reversible capture and release of alkenes22 Sep 2026US 12,741,235 B2Trustees of Dartmouth College
- Purification process for lipid-membrane-enclosed complex assemblages8 Sep 2026US 12,729,220 B2Sartorius Bia Separations
- Multimodal metal affinity processing AAV capsids27 Jan 2026US 12,533,607 B2Sartorius BIA Separations d.o.o.
- 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
- Compact hydroxamate-based affinity tags for artificially tagging biological macromolecules18 Nov 2025US 12,472,448 B2The Board of Trustees of the Leland Stanford Junior University
- Process for using modified dtpa-associated organosilica media for producing individually separated high purity rare earth elements8 Oct 2026US 2026/0308717 A1Wayne State University
- Novel materials and methods for refining processes17 Sep 2026US 2026/0273436 A1Lihme Protein Solutions ApS
- Systems and methods for metal recovery using rotating packed beds10 Sep 2026US 2026/0263964 A1Case Western Reserve University
- Method for manufacturing lithium hydroxide6 Aug 2026US 2026/0225905 A1Kemco
- Compositions and methods for purifying viral vectors6 Aug 2026US 2026/0226503 A1North Carolina State University
Most cited
By later US patents
- Method of weak partitioning chromatography87US 8,067,182 B2Wyeth · 2011
- Method of antibody purification84US 7,714,112 B2GE Healthcare Bio-Sciences AB · 2010
- Protein purification on immobilized metal affinity resins effected by elution using a weak ligand64US 5,169,936 ABiogen, Inc. · 1992
- Adsorbents for amino acid and peptide separation56US 5,786,428 ACalifornia Institute of Technology · 1998
- Affinity chromatography using metal ions49US 4,431,546 AThe Public Health Laboratory Services Board · 1984