A62D 2203/00
Aspects of processes for making harmful chemical substances harmless, or less harmful
Official title: Aspects of processes for making harmful chemical substances harmless, or less harmful, by effecting chemical change in the substances
A62D2203/00 (Aspects of processes for making harmful chemical substances harmless, or less harmful) appears on 450 US grants and 204 published applications in this corpus.
Search patents in A62D- Granted patents
- 450
- Published applications
- 204
- Assignees
- 326
- Inventors
- 992
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 16 | 0 |
| 1990 | 15 | 0 |
| 1991 | 15 | 0 |
| 1992 | 12 | 0 |
| 1993 | 16 | 0 |
| 1994 | 28 | 0 |
| 1995 | 30 | 0 |
| 1996 | 23 | 0 |
| 1997 | 18 | 0 |
| 1998 | 34 | 0 |
| 1999 | 30 | 0 |
| 2000 | 23 | 0 |
| 2001 | 16 | 4 |
| 2002 | 14 | 17 |
| 2003 | 18 | 22 |
| 2004 | 12 | 19 |
| 2005 | 10 | 14 |
| 2006 | 9 | 12 |
| 2007 | 7 | 8 |
| 2008 | 7 | 11 |
| 2009 | 1 | 7 |
| 2010 | 6 | 8 |
| 2011 | 5 | 7 |
| 2012 | 4 | 10 |
| 2013 | 7 | 2 |
| 2014 | 8 | 5 |
| 2015 | 5 | 5 |
| 2016 | 3 | 2 |
| 2017 | 2 | 4 |
| 2018 | 0 | 3 |
| 2019 | 3 | 6 |
| 2020 | 3 | 3 |
| 2021 | 3 | 5 |
| 2022 | 6 | 5 |
| 2023 | 2 | 4 |
| 2024 | 3 | 4 |
| 2025 | 3 | 13 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A62D 2203/10Apparatus specially adapted for treating harmful chemical agentsIndexing code289
- A62D 2203/02Combined processes involving two or more distinct steps covered by groups a62d3/10Indexing code115
- A62D 2203/04Combined processes involving two or more non-distinct steps covered by groups a62d3/10Indexing code106
Recent patents
- Method of photocatalytic degradation and water splitting using nanocomposite30 Dec 2025US 12,508,458 B1Imam Mohammad Ibn Saud Islamic University
- Installation and method for destroying pyrotechnic waste30 Dec 2025US 12,508,634 B2Roxel France
- Stabilization of reactive oxygen species in ceria-based composite aerogels3 Jun 2025US 12,318,761 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Hydrogel-enzyme systems and methods24 Sep 2024US 12,098,272 B2The United States of America as represented by the Secretary of the Army
- Medication disposal apparatus and methods of manufacture and use3 Sep 2024US 12,076,598 B2Surgical Device Innovations, LLC
- Method, apparatus and system for destruction of organic and fluorinated organic aqueous concentrates27 Aug 2026US 2026/0249123 A1OxByEl Technologies, Inc.
- Waste Processing Apparatus and Method23 Jul 2026US 2026/0207983 A1Envetec Sustainable Technologies Limited
- Uv water purification system and methods16 Jul 2026US 2026/0200764 A1The Regents of the University of California
- Uv water purification system and methods14 May 2026US 2026/0132056 A1The Regents of the University of California
- Multichannel Deactivation of Noxious Chemical and Biological Agents2 Oct 2025US 2025/0303212 A1Seton Hall University
Most cited
By later US patents
- Reactor and method for disassociating waste190US 5,301,620 AMolten Metal Technology, Inc. · 1994
- Method for the removal of organic sulfur from carbonaceous materials127US 5,910,440 AExxon Research & Engineering Co. · 1999
- Method for producing hydrocarbon gas from waste126US 5,395,405 AMolten Metal Technology, Inc. · 1995
- Method and apparatus for injection of a liquid waste into a molten bath124US 5,436,210 AMolten Metal Technology, Inc. · 1995
- Method for top-charging solid waste into a molten metal bath115US 5,491,279 AMolten Metal Technology, Inc. · 1996