B01J 20/3227
By end-capping, i.e. with or after the introduction of functional or ligand
Official title: {by end-capping, i.e. with or after the introduction of functional or ligand groups}
B01J20/3227 (By end-capping, i.e. with or after the introduction of functional or ligand) appears on 100 US grants and 81 published applications in this corpus.
Search patents in B01J- Granted patents
- 100
- Published applications
- 81
- Assignees
- 74
- Inventors
- 241
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 3 |
| 2002 | 4 | 5 |
| 2003 | 6 | 6 |
| 2004 | 1 | 5 |
| 2005 | 1 | 2 |
| 2006 | 4 | 4 |
| 2007 | 2 | 5 |
| 2008 | 1 | 5 |
| 2009 | 4 | 4 |
| 2010 | 2 | 4 |
| 2011 | 0 | 2 |
| 2012 | 2 | 0 |
| 2013 | 3 | 3 |
| 2014 | 4 | 5 |
| 2015 | 2 | 3 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 6 |
| 2022 | 1 | 1 |
| 2023 | 1 | 4 |
| 2024 | 4 | 5 |
| 2025 | 1 | 4 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chromatography resin having an anionic exchange-hydrophobic mixed mode ligand14 Jan 2025US 12,194,432 B2Bio-Rad Laboratories, Inc.
- Multimodal adsorption medium with multimodal ligands, method for the preparation and use thereof19 Nov 2024US 12,145,130 B2Sartorius Stedim Biotech GmbH
- Preparation method of AM-type polystyrene microsphere ofloxacin imprinted polymer and application thereof8 Oct 2024US 12,109,550 B2Zhaoqing Medical College
- Functionalised alumina adsorbent materials for removal of contaminants from water24 Sep 2024US 12,097,480 B2Puraffinity Ltd.
- Functionalised chromatography medium comprising polymer nanofibres and process of preparation thereof4 Jun 2024US 11,998,890 B2Puridify Ltd.
- Chromatographic composition and methods of producing the chromatographic composition30 Jul 2026US 2026/0216699 A1Advanced Materials Technology, Inc.
- Hydrophobic interaction chromatography (hic) composition and method of producing the hic composition5 Mar 2026US 2026/0061394 A1
- Anion exchange chromatographic particles with controlled grafted polymer chains23 Oct 2025US 2025/0325974 A1Waters Technologies Corporation
- Chromatographic composition and method of producing the chromatographic composition11 Sep 2025US 2025/0281903 A1Advanced Materials Technology, Inc.
- Chromatography resin having an anionic exchange-hydrophobic mixed mode ligand8 May 2025US 2025/0144597 A1Bio-Rad Laboratories, Inc.
Most cited
By later US patents
- Polar-modified bonded phase materials for chromatographic separations90US 7,125,488 B2Varian, Inc. · 2006
- Liquid chromatography stationary phases with reduced silanol interactions83US 5,374,755 AMillipore Corporation · 1994
- Substrates with sterically-protected, stable, covalently-bonded organo-silane films80US 4,705,725 AE. I. Du Pont de Nemours and Company · 1987
- Biocompatible, low protein adsorption affinity matrix71US 5,403,750 AW. R. Grace & Co.-Conn. · 1995
- Mixed phase chromatographic compositions68US 4,298,500 AVarian Associates, Inc. · 1981