B01D 15/3804
Affinity chromatography
Official title: {Affinity chromatography}
B01D15/3804 (Affinity chromatography) appears on 1,053 US grants and 1,464 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,053
- Published applications
- 1,464
- Assignees
- 728
- Inventors
- 3,106
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 10 | 0 |
| 1984 | 9 | 0 |
| 1985 | 8 | 0 |
| 1986 | 10 | 0 |
| 1987 | 9 | 0 |
| 1988 | 9 | 0 |
| 1989 | 15 | 0 |
| 1990 | 6 | 0 |
| 1991 | 12 | 0 |
| 1992 | 12 | 0 |
| 1993 | 2 | 0 |
| 1994 | 12 | 0 |
| 1995 | 13 | 0 |
| 1996 | 9 | 0 |
| 1997 | 16 | 0 |
| 1998 | 11 | 0 |
| 1999 | 11 | 0 |
| 2000 | 8 | 0 |
| 2001 | 14 | 2 |
| 2002 | 10 | 15 |
| 2003 | 14 | 21 |
| 2004 | 10 | 36 |
| 2005 | 12 | 40 |
| 2006 | 13 | 39 |
| 2007 | 14 | 36 |
| 2008 | 20 | 32 |
| 2009 | 13 | 45 |
| 2010 | 20 | 42 |
| 2011 | 17 | 34 |
| 2012 | 24 | 43 |
| 2013 | 32 | 41 |
| 2014 | 27 | 57 |
| 2015 | 42 | 74 |
| 2016 | 39 | 81 |
| 2017 | 47 | 78 |
| 2018 | 46 | 79 |
| 2019 | 54 | 110 |
| 2020 | 70 | 78 |
| 2021 | 69 | 89 |
| 2022 | 49 | 99 |
| 2023 | 57 | 77 |
| 2024 | 54 | 84 |
| 2025 | 53 | 78 |
| 2026 | 31 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Porous scaffolds for electrochemically-controlled reversible capture and release of alkenes22 Sep 2026US 12,741,235 B2Trustees of Dartmouth College
- Bioprocess with reduced fouling on surfaces15 Sep 2026US 12,734,465 B2Nutrition & Biosciences USA 1, LLC
- Purification process for lipid-membrane-enclosed complex assemblages8 Sep 2026US 12,729,220 B2Sartorius Bia Separations
- Modification of antibody FcRn binding1 Sep 2026US 12,723,069 B2Hoffmann-La Roche Inc.
- Methods for purifying antibodies21 Jul 2026US 12,686,702 B2GlaxoSmithKline Intellectual Property Development Limited
- Two-in-one chromatography systems for use with small volume samples and with automated liquid handlers8 Oct 2026US 2026/0306967 A1Integrated Micro-Chromatography Systems, Inc.
- Method for isolating fetuin-a8 Oct 2026US 2026/0308213 A1PreviPharma GmbH
- Process for using modified dtpa-associated organosilica media for producing individually separated high purity rare earth elements8 Oct 2026US 2026/0308717 A1Wayne State University
- Process for preparing extracellular vesicles1 Oct 2026US 2026/0295460 A1Lonza Sales AG
- Separation Matrix and a Method of Separating Antibodies1 Oct 2026US 2026/0295462 A1Cytiva BioProcess R&D AB
Most cited
By later US patents
- Multichain polypeptides or proteins and processes for their production1,110US 4,816,397 ACelltech Limited · 1989
- Magnetic iron-dextran microspheres466US 4,452,773 ACanadian Patents and Development Limited · 1984
- Affinity matrices of modified polysaccharide supports427US 5,059,654 ACuno Incorporated · 1991
- Magnetic particles for use in separations333US 4,554,088 AAdvanced Magnetics, Inc. · 1985
- Magnetic particles for use in separations245US 4,672,040 AAdvanced Magnetics, Inc. · 1987