A61K 33/20
Elemental chlorine
Official title: Elemental chlorine; Inorganic compounds releasing chlorine
A61K33/20 (Elemental chlorine) appears on 329 US grants and 574 published applications in this corpus.
Search patents in A61K- Granted patents
- 329
- Published applications
- 574
- Assignees
- 234
- Inventors
- 667
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 2 |
| 2003 | 1 | 6 |
| 2004 | 2 | 10 |
| 2005 | 5 | 13 |
| 2006 | 2 | 15 |
| 2007 | 3 | 13 |
| 2008 | 2 | 12 |
| 2009 | 3 | 11 |
| 2010 | 5 | 22 |
| 2011 | 4 | 13 |
| 2012 | 8 | 17 |
| 2013 | 12 | 34 |
| 2014 | 17 | 37 |
| 2015 | 15 | 37 |
| 2016 | 36 | 44 |
| 2017 | 20 | 42 |
| 2018 | 24 | 37 |
| 2019 | 15 | 27 |
| 2020 | 17 | 28 |
| 2021 | 18 | 27 |
| 2022 | 20 | 38 |
| 2023 | 11 | 33 |
| 2024 | 20 | 17 |
| 2025 | 15 | 22 |
| 2026 | 12 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ammonium chloride formulation to support human natural defense against viruses15 Sep 2026US 12,734,193 B2
- Method for administering an antimicrobial treatment to an animal in a meat processing operation1 Sep 2026US 12,721,865 B2Cargill, Incorporated
- Electrochemically activated salt solution23 Jun 2026US 12,661,373 B2Azad Pharma AG
- Compositions and methods for treatment and prevention of pathogens28 Apr 2026US 12,611,425 B2Wiab Water Innovation AB
- Therapeutic uses of oxidizing hypotonic acid solutions21 Apr 2026US 12,605,402 B2APR Applied Pharma Research S.A.
- Compositions and compounds including lithium orotate1 Oct 2026US 2026/0294962 A1Atlantis Software Company
- Biomarkers for neurodegenerative disease17 Sep 2026US 2026/0272976 A1Neuvivo, Inc.
- Compositions and methods for treatment and prevention of pathogens3 Sep 2026US 2026/0256831 A1Wiab Water Innovation AB
- Compositions and methods to disinfect, treat and prevent microbial infections27 Aug 2026US 2026/0248844 A1Wiab Water Innovation AB
- Compositions and methods for treating transient biofilms27 Aug 2026US 2026/0248845 A1Wiab Water Innovation AB
Most cited
By later US patents
- Strong acid sterilizing liquid containing hypochlorous acid at a low concentration, method and apparatus for generating same, and apparatus for generating and dispensing same104US 5,858,201 AToto Ltd. · 1999
- Method and composition for prevention and treatment of oral disease93US 4,689,215 A1987
- Methods and kits for use in preventing restenosis83US 6,156,350 ACorazon Technologies, Inc. · 2000
- Disinfecting compositions and methods therefor77US 4,891,216 AAlcide Corporation · 1990
- Method and composition for prevention and treatment of oral disease59US 4,696,811 A1987