B01D 15/38
Involving specific interaction not covered by one or more of groups b01d15/265
Official title: involving specific interaction not covered by one or more of groups {B01D15/265 and} B01D15/30 - B01D15/36, e.g. affinity, ligand exchange or chiral chromatography
B01D15/38 (Involving specific interaction not covered by one or more of groups b01d15/265) appears on 1,476 US grants and 1,970 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,476
- Published applications
- 1,970
- Assignees
- 979
- Inventors
- 4,236
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 11 | 0 |
| 1983 | 11 | 0 |
| 1984 | 11 | 0 |
| 1985 | 10 | 0 |
| 1986 | 12 | 0 |
| 1987 | 11 | 0 |
| 1988 | 11 | 0 |
| 1989 | 22 | 0 |
| 1990 | 11 | 0 |
| 1991 | 18 | 0 |
| 1992 | 17 | 0 |
| 1993 | 9 | 0 |
| 1994 | 18 | 0 |
| 1995 | 22 | 0 |
| 1996 | 14 | 0 |
| 1997 | 22 | 0 |
| 1998 | 20 | 0 |
| 1999 | 25 | 0 |
| 2000 | 18 | 0 |
| 2001 | 23 | 3 |
| 2002 | 17 | 21 |
| 2003 | 26 | 35 |
| 2004 | 18 | 56 |
| 2005 | 17 | 55 |
| 2006 | 22 | 50 |
| 2007 | 22 | 51 |
| 2008 | 28 | 46 |
| 2009 | 19 | 65 |
| 2010 | 31 | 58 |
| 2011 | 26 | 47 |
| 2012 | 38 | 64 |
| 2013 | 41 | 55 |
| 2014 | 43 | 79 |
| 2015 | 51 | 102 |
| 2016 | 56 | 107 |
| 2017 | 62 | 99 |
| 2018 | 62 | 103 |
| 2019 | 67 | 132 |
| 2020 | 89 | 102 |
| 2021 | 81 | 116 |
| 2022 | 64 | 123 |
| 2023 | 73 | 109 |
| 2024 | 69 | 103 |
| 2025 | 75 | 115 |
| 2026 | 45 | 74 |
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
- Methods of producing extracellular vesicles8 Sep 2026US 12,728,098 B2Lonza Sales AG
- 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.
- 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
- Imprint-coating synthesis of selective functionalized ordered mesoporous sorbents for separation and sensors251US 6,251,280 B1The University of Tennessee Research Corporation · 2001