B01J 2220/54
Sorbents specially adapted for analytical or investigative chromatography
B01J2220/54 (Sorbents specially adapted for analytical or investigative chromatography) appears on 1,013 US grants and 685 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,013
- Published applications
- 685
- Assignees
- 511
- Inventors
- 2,083
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 12 | 0 |
| 1978 | 7 | 0 |
| 1979 | 9 | 0 |
| 1980 | 16 | 0 |
| 1981 | 15 | 0 |
| 1982 | 13 | 0 |
| 1983 | 15 | 0 |
| 1984 | 11 | 0 |
| 1985 | 14 | 0 |
| 1986 | 10 | 0 |
| 1987 | 21 | 0 |
| 1988 | 20 | 0 |
| 1989 | 20 | 0 |
| 1990 | 21 | 0 |
| 1991 | 24 | 0 |
| 1992 | 33 | 0 |
| 1993 | 21 | 0 |
| 1994 | 28 | 0 |
| 1995 | 24 | 0 |
| 1996 | 32 | 0 |
| 1997 | 48 | 0 |
| 1998 | 37 | 0 |
| 1999 | 37 | 0 |
| 2000 | 33 | 0 |
| 2001 | 23 | 10 |
| 2002 | 21 | 38 |
| 2003 | 26 | 44 |
| 2004 | 32 | 54 |
| 2005 | 22 | 62 |
| 2006 | 33 | 52 |
| 2007 | 29 | 44 |
| 2008 | 21 | 45 |
| 2009 | 21 | 37 |
| 2010 | 26 | 36 |
| 2011 | 26 | 22 |
| 2012 | 20 | 22 |
| 2013 | 17 | 17 |
| 2014 | 11 | 22 |
| 2015 | 18 | 9 |
| 2016 | 13 | 14 |
| 2017 | 9 | 13 |
| 2018 | 10 | 20 |
| 2019 | 11 | 19 |
| 2020 | 17 | 13 |
| 2021 | 11 | 31 |
| 2022 | 11 | 11 |
| 2023 | 16 | 21 |
| 2024 | 14 | 15 |
| 2025 | 12 | 9 |
| 2026 | 9 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Channeled fibers in separation of biologically active nanoparticles22 Sep 2026US 12,741,234 B2Clemson University Research Foundation
- Chelator based eluents for solid phase extraction of phosphorylated compounds8 Sep 2026US 12,730,040 B2Waters Technologies Corporation
- Chromatography beads, production and use thereof1 Sep 2026US 12,722,143 B2Cytiva BioProcess R&D AB
- Material and method for performing a separation based on halogen bonding19 May 2026US 12,629,612 B2Merck Patent GmbH
- Method of analysis of polynucleotides by restricted access reversed phase chromatography19 May 2026US 12,629,660 B2Waters Technologies Corporation
- Chromatography medium and process17 Sep 2026US 2026/0273508 A1Cytiva BioProcess R&D AB
- Micro-separator including 3d ordered nanoshell structure of ceramic-polymer composite for gas chromatography, method for fabricating the same and method for separating gas mixture using the same30 Jul 2026US 2026/0216698 A1Korea Advanced Institute of Science and Technology
- Chromatography Beads, Production and Use Threreof16 Jul 2026US 2026/0199875 A1Cytiva BioProcess R&D AB
- System for batch-scale production of eutectic solvent-based sorbent materials using 3d printing18 Jun 2026US 2026/0166516 A1Iowa State University Research Foundation, Inc.
- Material and method for performing a separation based on halogen bonding5 Mar 2026US 2026/0061338 A1Merck Patent GmbH
Most cited
By later US patents
- 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
- 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
- Selective recognition of solutes in chromatographic media by artificially created affinity206US 5,916,445 ABio-Rad Laboratories, Inc. · 1999