B01J 20/291
Gel sorbents
B01J20/291 (Gel sorbents) appears on 265 US grants and 228 published applications in this corpus.
Search patents in B01J- Granted patents
- 265
- Published applications
- 228
- Assignees
- 189
- Inventors
- 623
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 5 | 4 |
| 2004 | 1 | 8 |
| 2005 | 3 | 15 |
| 2006 | 2 | 8 |
| 2007 | 3 | 3 |
| 2008 | 7 | 6 |
| 2009 | 6 | 9 |
| 2010 | 5 | 13 |
| 2011 | 5 | 5 |
| 2012 | 14 | 7 |
| 2013 | 10 | 5 |
| 2014 | 6 | 14 |
| 2015 | 2 | 6 |
| 2016 | 8 | 9 |
| 2017 | 7 | 15 |
| 2018 | 9 | 28 |
| 2019 | 17 | 17 |
| 2020 | 16 | 13 |
| 2021 | 15 | 10 |
| 2022 | 7 | 11 |
| 2023 | 7 | 3 |
| 2024 | 8 | 6 |
| 2025 | 6 | 6 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cleaning chromatography packed bed material with the aid of a processing vessel, and said vessel30 Dec 2025US 12,508,573 B2Jemp Holding BV
- Conductive composition and method for manufacturing same, and conductor and method for manufacturing same14 Oct 2025US 12,443,103 B2Mitsubishi Chemical Corporation
- Use of vapor deposition coated flow paths for improved chromatography of metal interacting analytes16 Sep 2025US 12,416,607 B2Waters Technologies Corporation
- Separating agent for optical isomers2 Sep 2025US 12,403,447 B2Daicel Corporation
- Method of manufacturing agar or agarose beads18 Mar 2025US 12,251,681 B2Cytiva BioProcess R&D AB
- Lymph directing prodrugs24 Sep 2026US 2026/0284004 A1Monash University
- Chromatography Beads, Production and Use Threreof16 Jul 2026US 2026/0199875 A1Cytiva BioProcess R&D AB
- Lymph directing prodrugs16 Apr 2026US 2026/0102373 A1Monash University
- Use of vapor deposition coated flow paths for improved chromatography of metal interacting analytes2 Apr 2026US 2026/0092905 A1Waters Technologies Corporation
- Cleaning chromatography packed bed material with the aid of a processing vessel, and said vessel12 Mar 2026US 2026/0070041 A1Jemp Holding BV
Most cited
By later US patents
- Selective recognition of solutes in chromatographic media by artificially created affinity206US 5,916,445 ABio-Rad Laboratories, Inc. · 1999
- Chromatographic stationary phases and adsorbents from hybrid organic-inorganic sol-gels118US 5,637,135 ACapillary Technology Corporation · 1997
- Composite materials comprising supported porous gels116US 7,316,919 B2Nysa Membrane Technologies · 2008
- Inorganic porous material and process for making same107US 5,624,875 AMerck Patent GmbH · 1997
- Preparation of polysaccharide beads91US 8,137,563 B2GE Healthcare Bio-Sciences AB · 2012