C02F 1/286
Using natural organic sorbents or derivatives thereof
Official title: {using natural organic sorbents or derivatives thereof}
C02F1/286 (Using natural organic sorbents or derivatives thereof) appears on 499 US grants and 622 published applications in this corpus.
Search patents in C02F- Granted patents
- 499
- Published applications
- 622
- Assignees
- 470
- Inventors
- 1,567
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 10 | 0 |
| 1979 | 7 | 0 |
| 1980 | 2 | 0 |
| 1981 | 9 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 0 |
| 2002 | 4 | 10 |
| 2003 | 5 | 9 |
| 2004 | 7 | 13 |
| 2005 | 5 | 10 |
| 2006 | 6 | 19 |
| 2007 | 11 | 13 |
| 2008 | 11 | 15 |
| 2009 | 7 | 11 |
| 2010 | 10 | 11 |
| 2011 | 8 | 28 |
| 2012 | 8 | 24 |
| 2013 | 10 | 25 |
| 2014 | 22 | 45 |
| 2015 | 26 | 42 |
| 2016 | 17 | 31 |
| 2017 | 24 | 39 |
| 2018 | 30 | 24 |
| 2019 | 28 | 37 |
| 2020 | 20 | 35 |
| 2021 | 23 | 26 |
| 2022 | 17 | 25 |
| 2023 | 22 | 39 |
| 2024 | 31 | 29 |
| 2025 | 20 | 39 |
| 2026 | 10 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for controlled adsorption and desorption of phosphate from liquids using phosphate-selective proteins1 Sep 2026US 12,722,987 B2Marquette University
- Water purification method using biochar layered double hydroxide composite21 Jul 2026US 12,685,994 B2Imam Abdulrahman Bin Faisal University
- Carbonaceous material and method for producing same, and fluorine-containing organic compound removing material, water purification filter, and water purifier14 Jul 2026US 12,678,766 B2Kuraray Co., Ltd.
- Membrane comprising biopolymers and carbon nanomaterials for removing heavy metals in polluted waters2 Jun 2026US 12,643,088 B2Universidad TéCnica Federico Santa MaríA
- Systems and methods for collecting and transporting biofuel components17 Mar 2026US 12,577,486 B2
- Biomimetic multifunctional lignocellulosic degradable sorbent for environmental remediation3 Sep 2026US 2026/0257261 A1The Texas A&M University System
- Filtration aid compositions and methods of use30 Jul 2026US 2026/0217582 A1Locus Solutions Ipco, LLC
- Methods of environment remediation using a pelletized composition for liquid solidification and moisture retention16 Jul 2026US 2026/0199872 A1
- Bioengineered Moss for Arsenic Removal from Water16 Jul 2026US 2026/0200779 A1Boss Moss LLC
- Systems and methods for collecting and transporting biofuel components9 Jul 2026US 2026/0193557 A1
Most cited
By later US patents
- Apparatus and method for treating storm water runoff129US 5,707,527 AStormwater Treatment LLC · 1998
- Filter insert for a storm drain124US 5,820,762 A1998
- Self-cleaning siphon-actuated radial flow filter basket64US 6,027,639 AStormwater Treatment LLC · 2000
- Water purification process and apparatus58US 4,333,837 AVarosepitesi Tudomanyos es TervezoIntezet · 1982
- Purification of liquids with treated polyester fibers54US 4,747,955 AThe Graver Company · 1988