A62D 3/30
Processes for making harmful chemical substances harmless or less harmful, by effecting
Official title: by reacting with chemical agents
A62D3/30 (Processes for making harmful chemical substances harmless or less harmful, by effecting) appears on 1,192 US grants and 693 published applications in this corpus.
Search patents in A62D- Granted patents
- 1,192
- Published applications
- 693
- Assignees
- 703
- Inventors
- 2,483
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 9 | 0 |
| 1983 | 11 | 0 |
| 1984 | 10 | 0 |
| 1985 | 14 | 0 |
| 1986 | 17 | 0 |
| 1987 | 13 | 0 |
| 1988 | 19 | 0 |
| 1989 | 23 | 0 |
| 1990 | 26 | 0 |
| 1991 | 30 | 0 |
| 1992 | 31 | 0 |
| 1993 | 39 | 0 |
| 1994 | 43 | 0 |
| 1995 | 49 | 0 |
| 1996 | 53 | 0 |
| 1997 | 47 | 0 |
| 1998 | 53 | 0 |
| 1999 | 58 | 0 |
| 2000 | 44 | 0 |
| 2001 | 29 | 7 |
| 2002 | 45 | 27 |
| 2003 | 38 | 45 |
| 2004 | 20 | 45 |
| 2005 | 21 | 30 |
| 2006 | 24 | 30 |
| 2007 | 13 | 20 |
| 2008 | 14 | 30 |
| 2009 | 19 | 28 |
| 2010 | 28 | 32 |
| 2011 | 26 | 31 |
| 2012 | 25 | 23 |
| 2013 | 19 | 31 |
| 2014 | 26 | 23 |
| 2015 | 19 | 44 |
| 2016 | 25 | 14 |
| 2017 | 27 | 30 |
| 2018 | 24 | 23 |
| 2019 | 21 | 33 |
| 2020 | 25 | 20 |
| 2021 | 25 | 26 |
| 2022 | 22 | 21 |
| 2023 | 14 | 17 |
| 2024 | 13 | 22 |
| 2025 | 15 | 26 |
| 2026 | 8 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A62D 3/38By oxidation383
- A62D 3/33By chemical fixing the harmful substance314
- A62D 3/37By reduction187
- A62D 3/36Detoxification by using acid or alkaline reagents163
- A62D 3/34Dehalogenation using reactive chemical agents able to degrade115
- A62D 3/35By hydrolysis108
- A62D 3/32By treatment in molten chemical reagent77
Recent patents
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- Method for modifying a yarn or textile fabric29 Sep 2026US 12,746,425 B2Centre National de la Recherche Scientifique (CNRS)
- Layered absorbent substrate incorporating activated carbon and superabsorbent materials7 Jul 2026US 12,673,229 B2Star Liberty LLC
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- Treatment solution and treatment method26 May 2026US 12,637,760 B2Kabushiki Kaisha Toshiba
- Method to Encapsulate Metal Organic Frameworks with Polymers to form Highly Porous Microbeads8 Oct 2026US 2026/0306894 A1TDA Research, Inc.
- Method for extracting a solid energetic material from contaminated soil1 Oct 2026US 2026/0295646 A1
- Process for Treating Mercury Contaminated Waste for Landfill Disposal17 Sep 2026US 2026/0273323 A1Veolia ES Technical Solutions L.L.C.
- Pulse flow reactors and systems or uses thereof27 Aug 2026US 2026/0249124 A1ThermoChem Recovery International, Inc.
- Method and system for degradation of perfluorooctane sulfonate27 Aug 2026US 2026/0249125 A1Beijing Jiaotong University
Most cited
By later US patents
- Destruction of energetic materials1,020US 6,603,050 B2UXB International, Inc. · 2003
- Reactor and method for disassociating waste190US 5,301,620 AMolten Metal Technology, Inc. · 1994
- Method and system for forming carbon dioxide from carbon-containing materials in a molten bath of immiscible metals178US 5,177,304 AMolten Metal Technology, Inc. · 1993
- Method and system for controlling chemical reaction in a molten bath170US 5,191,154 AMolten Metal Technology, Inc. · 1993
- Method for indirect chemical reduction of metals in waste154US 5,322,547 AMolten Metal Technology, Inc. · 1994