C01B 11/022
Chlorine dioxide
Official title: {Chlorine dioxide (ClO2)}
C01B11/022 (Chlorine dioxide) appears on 478 US grants and 409 published applications in this corpus.
Search patents in C01B- Granted patents
- 478
- Published applications
- 409
- Assignees
- 188
- Inventors
- 701
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 5 | 0 |
| 1978 | 10 | 0 |
| 1979 | 8 | 0 |
| 1980 | 4 | 0 |
| 1981 | 12 | 0 |
| 1982 | 5 | 0 |
| 1983 | 11 | 0 |
| 1984 | 9 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 14 | 0 |
| 1993 | 14 | 0 |
| 1994 | 16 | 0 |
| 1995 | 18 | 0 |
| 1996 | 8 | 0 |
| 1997 | 12 | 0 |
| 1998 | 9 | 0 |
| 1999 | 13 | 0 |
| 2000 | 6 | 0 |
| 2001 | 14 | 5 |
| 2002 | 10 | 10 |
| 2003 | 14 | 19 |
| 2004 | 6 | 18 |
| 2005 | 5 | 24 |
| 2006 | 9 | 28 |
| 2007 | 9 | 20 |
| 2008 | 3 | 13 |
| 2009 | 7 | 13 |
| 2010 | 7 | 32 |
| 2011 | 8 | 23 |
| 2012 | 10 | 17 |
| 2013 | 15 | 15 |
| 2014 | 15 | 14 |
| 2015 | 13 | 18 |
| 2016 | 14 | 13 |
| 2017 | 17 | 10 |
| 2018 | 7 | 18 |
| 2019 | 9 | 10 |
| 2020 | 11 | 23 |
| 2021 | 11 | 15 |
| 2022 | 15 | 13 |
| 2023 | 5 | 15 |
| 2024 | 9 | 12 |
| 2025 | 7 | 7 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Spray agent packed in container and method for producing the same8 Sep 2026US 12,729,117 B2NIPPON EKITAN Corporation
- Porous matrix substrate with chlorite reactant for producing chlorine dioxide23 Jun 2026US 12,662,377 B2Chemtreat, Inc.
- Gas micro reactor utilizing membrane packaging21 Apr 2026US 12,605,689 B2Selective Micro Technologies, LLC
- Systems, apparatus and methods to accelerate generation of chlorine dioxide gas3 Feb 2026US 12,540,076 B2
- Water sanitisation device, system and method23 Sep 2025US 12,421,141 B2Waterco Limited
- Systems and methods for producing chlorine dioxide8 Oct 2026US 2026/0307990 A1ChemE Solutions Process Engineering Inc.
- Gas micro reactor utilizing membrane packaging13 Aug 2026US 2026/0233188 A1Selective Micro Technologies, LLC
- Sustained-release chlorine dioxide gas generation kit and method4 Jun 2026US 2026/0152395 A1ABC Medical S.R.L.
- A cyclic process for the efficient generation of chlorine dioxide in dilute solutions19 Mar 2026US 2026/0078032 A1Truox, Inc.
- Water sanitisation device, system and method25 Dec 2025US 2025/0388495 A1Waterco Limited
Most cited
By later US patents
- Generation of chlorine dioxide for disinfection and sterilization148US 4,104,190 AMinnesota Mining and Manufacturing Company · 1978
- Dry compositions for the production of chlorine dioxide100US 4,547,381 ARio Linda Chemical Co., Inc. · 1985
- Chlorine dioxide generation apparatus and process96US 4,247,531 ARio Linda Chemical Co., Inc. · 1981
- Electrochemical process for producing chloric acid - alkali metal chlorate mixtures96US 5,084,148 AOlin Corporation · 1992
- Dry compositions for the production of chlorine dioxide91US 4,689,169 ARio Linda Chemical Co., Inc. · 1987