A62D 3/37
By reduction
Official title: by reduction, e.g. hydrogenation
A62D3/37 (By reduction) appears on 187 US grants and 74 published applications in this corpus.
Search patents in A62D- Granted patents
- 187
- Published applications
- 74
- Assignees
- 149
- Inventors
- 412
- Latest grant
- 20 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 10 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 16 | 0 |
| 2000 | 10 | 0 |
| 2001 | 6 | 0 |
| 2002 | 5 | 2 |
| 2003 | 4 | 4 |
| 2004 | 1 | 7 |
| 2005 | 4 | 3 |
| 2006 | 4 | 3 |
| 2007 | 1 | 7 |
| 2008 | 2 | 3 |
| 2009 | 2 | 2 |
| 2010 | 5 | 7 |
| 2011 | 2 | 7 |
| 2012 | 5 | 1 |
| 2013 | 2 | 1 |
| 2014 | 3 | 2 |
| 2015 | 1 | 3 |
| 2016 | 4 | 0 |
| 2017 | 5 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 3 |
| 2020 | 1 | 4 |
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 4 | 2 |
| 2024 | 0 | 4 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Quarternary ammonium halides for treating halogen contamination20 Jun 2023US 11,679,293 B2Bromine Compounds Ltd.
- Method for mitigating acid rock drainage potential through the smoldering combustion of organic materials6 Jun 2023US 11,666,956 B2Geosyntec Consultants, Inc.
- Hydrothermal technology for decontamination and mineralization of perfluoro- and polyfluoroalkyl substance (PFAS) in wastes, concentrate solutions, and chemical stockpiles14 Feb 2023US 11,577,111 B2Colorado School of Mines
- Activated carbon supported Ni0Fe0 nanoparticles for reductive transformation of perfluoroalkyl-containing compounds31 Jan 2023US 11,565,139 B2Purdue Research Foundation
- Metal-organic framework/polymer foam composite materials and their uses in decontamination and/or ballistic protection13 Dec 2022US 11,524,266 B1The United States of America as represented by the Secretary of the Army
- 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
- Degradation Method of PFAS21 Nov 2024US 2024/0382939 A1Suzhou University of Science and Technology
- Quarternary ammonium halides for treating halogen contamination17 Oct 2024US 2024/0342530 A1
- Immobilized enzyme electrode, immobilized enzyme electrode manufacturing method, target molecule redox method, and target molecule redox device11 Jul 2024US 2024/0226633 A9Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Method for the removal of organic sulfur from carbonaceous materials127US 5,910,440 AExxon Research & Engineering Co. · 1999
- Method for reduction of heavy metal leaching from hazardous waste under acidic and nonacidic conditions72US 5,037,479 ARMT, Inc. · 1991
- Treatment of reducible halohydrocarbon containing aqueous stream49US 4,382,865 AEnvirogenics Systems Company · 1983
- Hydrogenation of mineral oils contaminated with chlorinated hydrocarbons49US 4,810,365 AVeba Oel AG · 1989
- Process for the simultaneous hydrogenation of a first feedstock comprising hydrocarbonaceous compounds and having a non-distillable component and a second feedstock comprising halogenated organic compounds49US 5,013,424 AUop LLC · 1991