B01D 15/26
Characterised by the separation mechanism
Official title: characterised by the separation mechanism
B01D15/26 (Characterised by the separation mechanism) appears on 3,519 US grants and 4,666 published applications in this corpus.
Search patents in B01D- Granted patents
- 3,519
- Published applications
- 4,666
- Assignees
- 2,125
- Inventors
- 9,709
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 11 | 0 |
| 1978 | 25 | 0 |
| 1979 | 9 | 0 |
| 1980 | 19 | 0 |
| 1981 | 25 | 0 |
| 1982 | 32 | 0 |
| 1983 | 35 | 0 |
| 1984 | 32 | 0 |
| 1985 | 27 | 0 |
| 1986 | 25 | 0 |
| 1987 | 16 | 0 |
| 1988 | 20 | 0 |
| 1989 | 29 | 0 |
| 1990 | 22 | 0 |
| 1991 | 32 | 0 |
| 1992 | 32 | 0 |
| 1993 | 26 | 0 |
| 1994 | 24 | 0 |
| 1995 | 38 | 0 |
| 1996 | 27 | 0 |
| 1997 | 37 | 0 |
| 1998 | 31 | 0 |
| 1999 | 41 | 0 |
| 2000 | 33 | 0 |
| 2001 | 47 | 23 |
| 2002 | 62 | 71 |
| 2003 | 66 | 94 |
| 2004 | 39 | 111 |
| 2005 | 47 | 112 |
| 2006 | 54 | 97 |
| 2007 | 47 | 102 |
| 2008 | 50 | 107 |
| 2009 | 42 | 125 |
| 2010 | 69 | 140 |
| 2011 | 65 | 104 |
| 2012 | 86 | 132 |
| 2013 | 82 | 124 |
| 2014 | 95 | 183 |
| 2015 | 108 | 224 |
| 2016 | 134 | 239 |
| 2017 | 141 | 254 |
| 2018 | 140 | 250 |
| 2019 | 197 | 317 |
| 2020 | 227 | 280 |
| 2021 | 206 | 284 |
| 2022 | 182 | 313 |
| 2023 | 179 | 259 |
| 2024 | 185 | 275 |
| 2025 | 187 | 260 |
| 2026 | 121 | 186 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 15/38Involving specific interaction not covered by one or more of groups b01d15/2651,476
- B01D 15/36Involving ionic interaction1,417
- B01D 15/32Bonded phase chromatography507
- B01D 15/265Adsorption chromatography421
- B01D 15/34Size-selective separation352
- B01D 15/40Using supercritical fluid as mobile phase or eluent206
- B01D 15/30Partition chromatography107
Recent patents
- Tetraazadodecane based chelating agents for separation of rare earth elements and method therefor6 Oct 2026US 12,752,219 B2Ustav Organicke Chemie A Biochemie Av Cr, V. V. I.
- Column comprising particles6 Oct 2026US 12,752,220 B2Agilent Technologies, Inc.
- Isolation and analysis of terpenes6 Oct 2026US 12,754,110 B2Orange Photonics, Inc.
- Channeled fibers in separation of biologically active nanoparticles22 Sep 2026US 12,741,234 B2Clemson University Research Foundation
- Porous scaffolds for electrochemically-controlled reversible capture and release of alkenes22 Sep 2026US 12,741,235 B2Trustees of Dartmouth College
- Modular multiplatform system for mrna drug production8 Oct 2026US 2026/0306407 A1BioNTech SE
- 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
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
- Process for removing mercury from a gas or a liquid by absorption on a copper sulfide containing solid mass253US 4,094,777 AInstitut Francais du Petrole · 1978