B01J 20/328
Polymers on the carrier being further modified
Official title: {Polymers on the carrier being further modified}
B01J20/328 (Polymers on the carrier being further modified) appears on 480 US grants and 474 published applications in this corpus.
Search patents in B01J- Granted patents
- 480
- Published applications
- 474
- Assignees
- 320
- Inventors
- 1,232
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 10 | 0 |
| 1989 | 4 | 0 |
| 1990 | 9 | 0 |
| 1991 | 6 | 0 |
| 1992 | 15 | 0 |
| 1993 | 13 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 10 | 0 |
| 1997 | 14 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 2 |
| 2002 | 6 | 16 |
| 2003 | 11 | 16 |
| 2004 | 16 | 26 |
| 2005 | 7 | 25 |
| 2006 | 14 | 21 |
| 2007 | 16 | 19 |
| 2008 | 9 | 15 |
| 2009 | 8 | 21 |
| 2010 | 9 | 23 |
| 2011 | 6 | 12 |
| 2012 | 21 | 20 |
| 2013 | 14 | 12 |
| 2014 | 9 | 27 |
| 2015 | 15 | 22 |
| 2016 | 18 | 11 |
| 2017 | 11 | 13 |
| 2018 | 10 | 18 |
| 2019 | 8 | 20 |
| 2020 | 7 | 22 |
| 2021 | 24 | 20 |
| 2022 | 11 | 17 |
| 2023 | 12 | 20 |
| 2024 | 17 | 18 |
| 2025 | 16 | 26 |
| 2026 | 15 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Magnetic iron-dextran microspheres466US 4,452,773 ACanadian Patents and Development Limited · 1984
- 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
- Particulate material for purification of bio-macromolecules121US 6,783,962 B1UpFront Chromatography · 2004
- Composite materials comprising supported porous gels116US 7,316,919 B2Nysa Membrane Technologies · 2008