B01J 20/265
Modified or post-treated polymers
Official title: {modified or post-treated polymers (polymer carriers or substrates subjected to further impregnating or coating B01J20/3208)}
B01J20/265 (Modified or post-treated polymers) appears on 1,372 US grants and 1,840 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,372
- Published applications
- 1,840
- Assignees
- 816
- Inventors
- 3,698
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 3 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 14 | 0 |
| 2001 | 12 | 5 |
| 2002 | 8 | 19 |
| 2003 | 24 | 26 |
| 2004 | 16 | 31 |
| 2005 | 14 | 55 |
| 2006 | 18 | 41 |
| 2007 | 25 | 50 |
| 2008 | 24 | 49 |
| 2009 | 23 | 54 |
| 2010 | 31 | 54 |
| 2011 | 18 | 37 |
| 2012 | 33 | 48 |
| 2013 | 42 | 64 |
| 2014 | 44 | 64 |
| 2015 | 48 | 74 |
| 2016 | 64 | 83 |
| 2017 | 50 | 103 |
| 2018 | 83 | 107 |
| 2019 | 77 | 121 |
| 2020 | 102 | 108 |
| 2021 | 83 | 112 |
| 2022 | 66 | 122 |
| 2023 | 73 | 119 |
| 2024 | 80 | 124 |
| 2025 | 101 | 102 |
| 2026 | 50 | 68 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Super absorbent polymer and preparation method thereof6 Oct 2026US 12,752,254 B2LG Chem.Ltd.
- Preparation method of superabsorbent polymer6 Oct 2026US 12,752,255 B2LG Chem.Ltd.
- Continuous polymerization reactor for super absorbent polymer and continuous polymerization reaction system6 Oct 2026US 12,753,249 B2LG Chem.Ltd.
- Ammonium-functionalized polysulfone copolymers for moisture-swing CO2 capture22 Sep 2026US 12,741,265 B2Arizona Board of Regents on behalf of Arizona State University
- Polymeric sorbents for aldehydes and methods of making1 Sep 2026US 12,722,139 B23M Innovative Properties Company
- Removal of per- and polyfluoroalkyl substances (pfas) from water with meso- and macro-porous gels8 Oct 2026US 2026/0308019 A1The University of Akron
- Photothermal polymeric aerogels for wastewater detoxification and water recycling8 Oct 2026US 2026/0308020 A1University of Kentucky Research Foundation
- Carbon dioxide capture process using hydrogels24 Sep 2026US 2026/0284567 A1Commonwealth Scientific and Industrial Research Organisation
- Method for producing water-absorbent resin particles, water-absorbent resin particles, absorbent material and absorbent article24 Sep 2026US 2026/0284638 A1Sumitomo Seika Chemicals Co., Ltd.
- Novel materials and methods for refining processes17 Sep 2026US 2026/0273436 A1Lihme Protein Solutions ApS
Most cited
By later US patents
- Modified siliceous chromatographic supports159US 4,724,207 ACuno Incorporated · 1988
- Production process for water-absorbing agent141US 6,265,488 B1Nippon Shokubai Co., Ltd. · 2001
- Composite materials comprising supported porous gels116US 7,316,919 B2Nysa Membrane Technologies · 2008
- Polymeric microbeads and method of preparation110US 5,583,162 ABiopore Corporation · 1996
- Monolithic microfluidic concentrators and mixers107US 6,887,384 B1The Regents of the University of California · 2005