C02F 1/285
Using synthetic organic sorbents
Official title: {using synthetic organic sorbents}
C02F1/285 (Using synthetic organic sorbents) appears on 997 US grants and 1,205 published applications in this corpus.
Search patents in C02F- Granted patents
- 997
- Published applications
- 1,205
- Assignees
- 750
- Inventors
- 2,844
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 10 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 10 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 15 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 10 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 15 | 0 |
| 2000 | 17 | 0 |
| 2001 | 13 | 5 |
| 2002 | 22 | 33 |
| 2003 | 15 | 17 |
| 2004 | 18 | 27 |
| 2005 | 12 | 22 |
| 2006 | 11 | 24 |
| 2007 | 16 | 14 |
| 2008 | 20 | 35 |
| 2009 | 8 | 17 |
| 2010 | 13 | 31 |
| 2011 | 19 | 47 |
| 2012 | 18 | 43 |
| 2013 | 27 | 31 |
| 2014 | 35 | 56 |
| 2015 | 26 | 69 |
| 2016 | 33 | 69 |
| 2017 | 47 | 64 |
| 2018 | 55 | 67 |
| 2019 | 63 | 73 |
| 2020 | 45 | 69 |
| 2021 | 44 | 61 |
| 2022 | 53 | 62 |
| 2023 | 58 | 77 |
| 2024 | 57 | 76 |
| 2025 | 66 | 65 |
| 2026 | 24 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Silica-based nanoparticles for PFAS remediation6 Oct 2026US 12,752,323 B2Regents of the University of Minnesota
- Method for preparing lithium extraction absorbent and its application1 Sep 2026US 12,722,138 B2Harbin Institute of Technology
- Adsorbent resin for removing perfluorinated pollutants from body of water, preparation therefor, and use thereof25 Aug 2026US 12,715,787 B2Sunresin New Materials Co. Ltd.
- Resin for removing phosphorus from water body, and preparation method therefor and application thereof25 Aug 2026US 12,715,791 B2Sunresin New Materials Co. Ltd.
- Hybrid ultramicroporous materials for water capture and release21 Jul 2026US 12,685,996 B2University of Limerick
- Removal of per- and polyfluoroalkyl substances (pfas) from water with meso- and macro-porous gels8 Oct 2026US 2026/0308019 A1The University of Akron
- Complexated biomolecules for use in contaminated soil or groundwater cleanup8 Oct 2026US 2026/0308334 A1BlueHalo, LLC
- Debris removal sleeve1 Oct 2026US 2026/0297969 A1
- Composite resins for selective germanium removal from aqueous solutions24 Sep 2026US 2026/0284636 A1Advanced Isotope Technologies, LLC
- Compounds and processes for remediation of perfluoroalkyl24 Sep 2026US 2026/0285709 A1Weaver Labs, LLC
Most cited
By later US patents
- Antimicrobial filter cartridge129US 5,868,933 A1999
- Curb-inlet storm drain systems for filtering trash and hydrocarbons91US 6,106,707 AAbTech Industries, Inc. · 2000
- Method of treating water78US 4,997,571 AThe Mogul Corporation · 1991
- Methods for adsorption and retention of solvated compounds and ions73US 6,811,703 B22004
- Water and wastewater treatment system and process for contaminant removal68US 6,346,197 B1McKay Creek Technologies, Ltd. · 2002