B01J 20/3285
Coating or impregnation layers comprising different type of functional groups or interactions
Official title: {Coating or impregnation layers comprising different type of functional groups or interactions, e.g. different ligands in various parts of the sorbent, mixed mode, dual zone, bimodal, multimodal, ionic or hydrophobic, cationic or anionic, hydrophilic or hydrophobic}
B01J20/3285 (Coating or impregnation layers comprising different type of functional groups or interactions) appears on 239 US grants and 290 published applications in this corpus.
Search patents in B01J- Granted patents
- 239
- Published applications
- 290
- Assignees
- 164
- Inventors
- 642
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 1 | 8 |
| 2003 | 4 | 11 |
| 2004 | 6 | 9 |
| 2005 | 7 | 8 |
| 2006 | 8 | 18 |
| 2007 | 5 | 15 |
| 2008 | 10 | 10 |
| 2009 | 3 | 11 |
| 2010 | 11 | 11 |
| 2011 | 6 | 10 |
| 2012 | 5 | 9 |
| 2013 | 6 | 13 |
| 2014 | 7 | 15 |
| 2015 | 11 | 17 |
| 2016 | 13 | 13 |
| 2017 | 3 | 6 |
| 2018 | 11 | 9 |
| 2019 | 9 | 19 |
| 2020 | 9 | 8 |
| 2021 | 11 | 20 |
| 2022 | 6 | 10 |
| 2023 | 12 | 11 |
| 2024 | 8 | 11 |
| 2025 | 12 | 11 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Double surface modified porous material with minimized nonspecific interaction17 Feb 2026US 12,551,864 B2Waters Technologies Corporation
- Solid-phase N-terminal peptide capture and release16 Dec 2025US 12,498,379 B2Board of Regents, The University of Texas System
- Multi-modal ion-exchange membranes for rapid separations2 Dec 2025US 12,485,364 B2Clemson University Research Foundation
- Adsorbent and a kit containing said adsorbent in a column4 Nov 2025US 12,458,950 B2Glycoprobe AB
- Stationary phase for preparative separation of rare earth metals19 Aug 2025US 12,392,010 B2REEtec AS
- Bio-inspired nanocoating and the use thereof17 Sep 2026US 2026/0273510 A1The Penn State Research Foundation
- Chromatographic composition and methods of producing the chromatographic composition30 Jul 2026US 2026/0216699 A1Advanced Materials Technology, Inc.
- Mixed mode charge induction ion exchange (iex) chromatography (mmciic) ligands and methods of use28 May 2026US 2026/0145159 A1Bio-Rad Laboratories, Inc.
- Multi-Modal Ion-Exchange Membranes for Rapid Separations12 Mar 2026US 2026/0070002 A1Clemson University
- Method for preparing hydrophobic melamine resin foam, and its products and applications26 Feb 2026US 2026/0055251 A1FoamTech (Zhejiang) New Materials Co., Ltd
Most cited
By later US patents
- Molecular imaging239US 5,372,719 APerSeptive Biosystems, Inc. · 1994
- Molecular imaging235US 5,453,199 APerSeptive Biosystems, Inc. · 1995
- Use of retentate chromatography to generate difference maps229US 6,225,047 B1Ciphergen Biosystems, Inc. · 2001
- Chromatographic supports and methods and apparatus for preparing the same95US 4,029,583 APurdue Research Foundation · 1977
- Surface functionalized mesoporous material and method of making same91US 6,326,326 B1Battelle Memorial Institute · 2001