C02F 2101/12
Halogens or halogen-containing compounds
C02F2101/12 (Halogens or halogen-containing compounds) appears on 670 US grants and 1,005 published applications in this corpus.
Search patents in C02F- Granted patents
- 670
- Published applications
- 1,005
- Assignees
- 604
- Inventors
- 2,343
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 12 | 2 |
| 2002 | 16 | 13 |
| 2003 | 16 | 11 |
| 2004 | 8 | 13 |
| 2005 | 10 | 14 |
| 2006 | 7 | 14 |
| 2007 | 8 | 16 |
| 2008 | 10 | 16 |
| 2009 | 5 | 17 |
| 2010 | 5 | 27 |
| 2011 | 6 | 23 |
| 2012 | 17 | 30 |
| 2013 | 12 | 31 |
| 2014 | 23 | 39 |
| 2015 | 17 | 54 |
| 2016 | 20 | 69 |
| 2017 | 32 | 55 |
| 2018 | 46 | 70 |
| 2019 | 52 | 62 |
| 2020 | 57 | 66 |
| 2021 | 44 | 64 |
| 2022 | 42 | 63 |
| 2023 | 44 | 54 |
| 2024 | 36 | 72 |
| 2025 | 47 | 64 |
| 2026 | 34 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Separating ions in water using plastic ice VII29 Sep 2026US 12,747,165 B2International Business Machines Corporation
- Apparatus and method for treating waste water1 Sep 2026US 12,722,993 B2Samsung E&A Co., Ltd.
- 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.
- System for removing a contaminant from wastewater from an industrial plant and the industrial plant including the same25 Aug 2026US 12,715,793 B2Yara International Asa
- Methods and systems for electrochemical oxidation of polyfluoroalkyl and perfluoroalkyl contaminants25 Aug 2026US 12,715,794 B2University of Georgia Research Foundation, Inc.
- A water treatment cartridge1 Oct 2026US 2026/0296943 A1HCL Technologies Limited
- Materials and methods for iodine capture24 Sep 2026US 2026/0290827 A1University of Houston System
- Method for adsorbing iodine17 Sep 2026US 2026/0274712 A1Mitsubishi Gas Chemical Company, Inc.
- Methods of PFAS Destruction using UV Irradiation at 222 Nanometers17 Sep 2026US 2026/0274731 A1Claros Technologies Inc.
- Method and use of a graphene oxide membrane for removing at least a portion of one or more disinfectants from a liquid feed10 Sep 2026US 2026/0264026 A1NewSouth Innovations Pty Limited
Most cited
By later US patents
- Microbial culture liquors containing microorganisms differing in characteristics and living in symbiosis and metabolites thereof, carriers and adsorbents containing the active components of the culture liquors and utilization of the same88US 6,649,397 B1Orient Green Co., Ltd. · 2003
- Process for the treatment of waste63US 4,765,900 AVerTech Treatment Systems, Inc. · 1988
- Method for recovering fluorinated alkanoic acids from waste waters62US 6,613,941 B13M Innovative Properties Company · 2003
- Method of treating fluoride-containing water61US 5,043,072 AKurita Water Industries Ltd. · 1991
- Apparatus and method for continuous electrodeionization56US 6,929,748 B2Chemitreat PTE LTD · 2005