C02F 2101/36
Containing halogen
Official title: containing halogen
C02F2101/36 (Containing halogen) appears on 842 US grants and 1,325 published applications in this corpus.
Search patents in C02F- Granted patents
- 842
- Published applications
- 1,325
- Assignees
- 742
- Inventors
- 2,801
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 11 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 22 | 0 |
| 2001 | 29 | 9 |
| 2002 | 22 | 29 |
| 2003 | 27 | 31 |
| 2004 | 19 | 18 |
| 2005 | 11 | 28 |
| 2006 | 14 | 21 |
| 2007 | 17 | 31 |
| 2008 | 11 | 30 |
| 2009 | 13 | 29 |
| 2010 | 24 | 32 |
| 2011 | 13 | 25 |
| 2012 | 9 | 22 |
| 2013 | 19 | 35 |
| 2014 | 13 | 34 |
| 2015 | 18 | 46 |
| 2016 | 33 | 46 |
| 2017 | 22 | 42 |
| 2018 | 32 | 49 |
| 2019 | 30 | 49 |
| 2020 | 39 | 68 |
| 2021 | 42 | 73 |
| 2022 | 44 | 96 |
| 2023 | 49 | 121 |
| 2024 | 69 | 109 |
| 2025 | 81 | 142 |
| 2026 | 50 | 110 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Silica-based nanoparticles for PFAS remediation6 Oct 2026US 12,752,323 B2Regents of the University of Minnesota
- Ion exchange membrane composition and methods for the concentration of perfluoroalkyl substances29 Sep 2026US 12,747,172 B2Evoqua Water Technologies LLC
- Method and kit for remediation of environments contaminated with halogenated organic compounds15 Sep 2026US 12,734,568 B2Photon Remediation Technology N.V.
- Method for treating wastewater15 Sep 2026US 12,735,337 B2Mitsubishi Chemical Corporation
- Method for reducing risks of composite pollutants in sewage1 Sep 2026US 12,722,985 B1Nanjing University
- Removal of per- and polyfluoroalkyl substances (pfas) from water with meso- and macro-porous gels8 Oct 2026US 2026/0308019 A1The University of Akron
- Water treatment apparatus and water treatment method8 Oct 2026US 2026/0308036 A1Meidensha Corporation
- Methods and systems for continuous pfas destruction1 Oct 2026US 2026/0296928 A1Claros Technologies Inc.
- Method for degradation of pfas based on sonocatalysis1 Oct 2026US 2026/0296932 A1Schlumberger Technology Corporation
- Systems for catalytically removing per- and polyfluoroalkyl substances from a fluid and related methods1 Oct 2026US 2026/0296939 A1Arizona Board of Regents on behalf of Arizona State University
Most cited
By later US patents
- Disinfection and purification of fluids using focused laser radiation102US 4,265,747 ASterling Drug Inc. · 1981
- Photocatalytic oxidation of organics using a porous titanium dioxide membrane and an efficient oxidant86US 5,779,912 ALynntech, Inc. · 1998
- Method and system to remotely monitor groundwater treatment79US 6,491,828 B1General Electric Company · 2002
- Method for recovering fluorinated alkanoic acids from waste waters62US 6,613,941 B13M Innovative Properties Company · 2003
- Photocatalytic oxidation of organics using a porous titanium dioxide membrane and an efficient oxidant57US 6,136,186 ALynntech, Inc. · 2000