B01J 20/3282
Crosslinked polymers
Official title: {Crosslinked polymers}
B01J20/3282 (Crosslinked polymers) appears on 329 US grants and 313 published applications in this corpus.
Search patents in B01J- Granted patents
- 329
- Published applications
- 313
- Assignees
- 231
- Inventors
- 844
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 11 |
| 2003 | 7 | 9 |
| 2004 | 12 | 16 |
| 2005 | 6 | 21 |
| 2006 | 11 | 7 |
| 2007 | 8 | 11 |
| 2008 | 5 | 9 |
| 2009 | 6 | 11 |
| 2010 | 6 | 9 |
| 2011 | 4 | 9 |
| 2012 | 15 | 15 |
| 2013 | 9 | 6 |
| 2014 | 5 | 17 |
| 2015 | 7 | 12 |
| 2016 | 8 | 8 |
| 2017 | 8 | 10 |
| 2018 | 7 | 14 |
| 2019 | 5 | 10 |
| 2020 | 3 | 19 |
| 2021 | 20 | 16 |
| 2022 | 8 | 14 |
| 2023 | 10 | 13 |
| 2024 | 12 | 13 |
| 2025 | 12 | 21 |
| 2026 | 13 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Preparation method for superabsorbent polymer8 Sep 2026US 12,728,402 B2LG Chem.Ltd.
- Liquid compositions, uses and method of making the same25 Aug 2026US 12,714,981 B1Stewart Superabsorbents, LLC
- Supported poly(allyl)amine and derivatives for CO2 capture from flue gas or ultra-dilute gas streams such as ambient air or admixtures thereof11 Aug 2026US 12,702,966 B2Georgia Tech Research Corporation
- Superabsorbent polymers based on copolymers of charged monomers and neutral monomers4 Aug 2026US 12,698,356 B2Kimberly-Clark Worldwide, Inc.
- Diethylamino ethyl polymers and methods of use2 Jun 2026US 12,643,077 B2Cytiva US LLC
- Supported poly(allyl)amine and derivatives for co2 capture from flue gas or ultra-dilute gas streams such as ambient air or admixtures thereof24 Sep 2026US 2026/0284637 A1Georgia Tech Research Corporation
- Amine-functionalized cellulose material, method for producing same, and use thereof as co2 adsorber13 Aug 2026US 2026/0234849 A1
- Crosslinked streptavidin chromatographic materials and methods of use thereof16 Jul 2026US 2026/0199808 A1Waters Technologies Corporation
- Chromatographic materials including crosslinked streptavidin and biotin and methods of use thereof16 Jul 2026US 2026/0199874 A1Waters Technologies Corporation
- Systems and methods for making and using superabsorbent porous gels2 Jul 2026US 2026/0184874 A1University of Maryland, College Park
Most cited
By later US patents
- Modified siliceous chromatographic supports159US 4,724,207 ACuno Incorporated · 1988
- Immobilized polyethylene oxide star molecules for bioapplications126US 5,171,264 AMassachusetts Institute of Technology · 1992
- Composite materials comprising supported porous gels116US 7,316,919 B2Nysa Membrane Technologies · 2008
- Carrier having acrylate copolymer coating for immobilization of bioactive materials115US 4,352,884 AKuraray Co., Ltd. · 1982
- Porous inorganic/organic hybrid particles for chromatographic separations and process for their preparation94US 6,686,035 B2Waters Investments Limited · 2004