C01B 11/04
Hypochlorous acid
C01B11/04 (Hypochlorous acid) appears on 243 US grants and 205 published applications in this corpus.
Search patents in C01B- Granted patents
- 243
- Published applications
- 205
- Assignees
- 136
- Inventors
- 458
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 8 | 0 |
| 1984 | 8 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 7 |
| 2005 | 1 | 9 |
| 2006 | 3 | 5 |
| 2007 | 1 | 8 |
| 2008 | 2 | 6 |
| 2009 | 1 | 4 |
| 2010 | 3 | 5 |
| 2011 | 3 | 4 |
| 2012 | 6 | 9 |
| 2013 | 7 | 4 |
| 2014 | 4 | 5 |
| 2015 | 4 | 10 |
| 2016 | 9 | 7 |
| 2017 | 7 | 11 |
| 2018 | 6 | 16 |
| 2019 | 7 | 9 |
| 2020 | 11 | 12 |
| 2021 | 5 | 15 |
| 2022 | 11 | 12 |
| 2023 | 9 | 16 |
| 2024 | 5 | 9 |
| 2025 | 11 | 14 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hypochlorous acid water preparation agent, hypochlorous acid water preparation package, and hypochlorous acid water production method9 Jun 2026US 12,649,975 B2Crown Limited
- Compositions and methods for treating transient biofilms21 Apr 2026US 12,605,403 B2Wiab Water Innovation AB
- Compositions and methods for treating biofilms without inducing antimicrobial resistance17 Feb 2026US 12,551,501 B2Wiab Water Innovation AB
- Method for producing halogen oxyacid solution11 Nov 2025US 12,466,732 B2Tokuyama Corporation
- Method for preparing hypochlorous acid aqueous solution and method for regenerating weakly acidic cation exchanger28 Oct 2025US 12,454,457 B2Evatec AG
- Method for Preparing Hypochlorous Acid Solutions Having Different Concentrations, Hypochlorous Acid Solutions and Uses Thereof27 Aug 2026US 2026/0248136 A1Crawford Global Limited
- Compositions and methods for treating transient biofilms27 Aug 2026US 2026/0248845 A1Wiab Water Innovation AB
- Hand disinfectant6 Aug 2026US 2026/0224452 A1Wiab Water Innovation AB
- Compositions and methods for treating biofilms without inducing antimicrobial resistance25 Jun 2026US 2026/0174796 A1Wiab Water Innovation AB
- Acetic acid and hypochlorous acid compositions for treatment of skin trauma26 Mar 2026US 2026/0083774 A1Wiab Water Innovation AB
Most cited
By later US patents
- Electrodialysis including filled cell electrodialysis (electrodeionization)72US 5,503,729 AIonics, Incorporated · 1996
- Electrodialysis including filled cell electrodialysis (electrodeionization)62US 5,814,197 AIonics, Incorporated · 1998
- Electrodialysis including filled cell electrodialysis (electrodeionization)61US 5,679,229 AIonics, Incorporated · 1997
- Electrodialysis including filled cell electrodialysis (electrodeionization)59US 5,679,228 AIonics, Incorporated · 1997
- Process for preparing granular calcium hypochlorite in a fluidized bed56US 3,969,546 AOlin Corporation · 1976