B01J 20/286
Phases chemically bonded to a substrate
Official title: Phases chemically bonded to a substrate, e.g. to silica or to polymers
B01J20/286 (Phases chemically bonded to a substrate) appears on 1,343 US grants and 1,418 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,343
- Published applications
- 1,418
- Assignees
- 666
- Inventors
- 2,965
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 10 | 0 |
| 1983 | 12 | 0 |
| 1984 | 5 | 0 |
| 1985 | 14 | 0 |
| 1986 | 10 | 0 |
| 1987 | 15 | 0 |
| 1988 | 19 | 0 |
| 1989 | 20 | 0 |
| 1990 | 24 | 0 |
| 1991 | 26 | 0 |
| 1992 | 34 | 0 |
| 1993 | 21 | 0 |
| 1994 | 20 | 0 |
| 1995 | 17 | 0 |
| 1996 | 23 | 0 |
| 1997 | 43 | 0 |
| 1998 | 25 | 0 |
| 1999 | 29 | 0 |
| 2000 | 30 | 0 |
| 2001 | 14 | 12 |
| 2002 | 27 | 34 |
| 2003 | 22 | 35 |
| 2004 | 26 | 66 |
| 2005 | 16 | 58 |
| 2006 | 39 | 75 |
| 2007 | 32 | 68 |
| 2008 | 35 | 66 |
| 2009 | 27 | 59 |
| 2010 | 31 | 63 |
| 2011 | 31 | 47 |
| 2012 | 38 | 44 |
| 2013 | 33 | 56 |
| 2014 | 44 | 64 |
| 2015 | 50 | 62 |
| 2016 | 48 | 72 |
| 2017 | 40 | 60 |
| 2018 | 43 | 56 |
| 2019 | 35 | 67 |
| 2020 | 56 | 60 |
| 2021 | 42 | 55 |
| 2022 | 39 | 48 |
| 2023 | 43 | 48 |
| 2024 | 31 | 57 |
| 2025 | 40 | 52 |
| 2026 | 22 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Channeled fibers in separation of biologically active nanoparticles22 Sep 2026US 12,741,234 B2Clemson University Research Foundation
- Chromatography beads, production and use thereof1 Sep 2026US 12,722,143 B2Cytiva BioProcess R&D AB
- Using an alkalihydroxide solution for the regeneration of an apheresis column21 Jul 2026US 12,685,808 B2Pentracor GmbH
- Capturing truncated proteoforms in exhaled breath for diagnosis of tuberculosis7 Jul 2026US 12,672,795 B2Zeteo Tech, Inc.
- Chromatographic column30 Jun 2026US 12,667,825 B2King Saud 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
- Separation Matrix and a Method of Separating Antibodies1 Oct 2026US 2026/0295462 A1Cytiva BioProcess R&D AB
- Immunoglobulin-binding protein1 Oct 2026US 2026/0297140 A1Tosoh Corporation
- Chromatography medium and process17 Sep 2026US 2026/0273508 A1Cytiva BioProcess R&D AB
- Resin for extracting lithium from lithium precipitation mother liquor, and preparation method and application thereof17 Sep 2026US 2026/0273509 A1Xi'an Lanshen New Material Technology Co., Ltd.
Most cited
By later US patents
- Magnetic particles for use in separations333US 4,554,088 AAdvanced Magnetics, Inc. · 1985
- Use of retentate chromatography to generate difference maps229US 6,225,047 B1Ciphergen Biosystems, Inc. · 2001
- Support for high performance affinity chromatography and other uses216US 6,277,489 B1The Regents of the University of California · 2001
- Modified siliceous chromatographic supports159US 4,724,207 ACuno Incorporated · 1988
- Binding assays employing magnetic particles152US 4,628,037 AAdvanced Magnetics, Inc. · 1986