C01F 7/428
By oxidation in an aqueous solution
Official title: by oxidation in an aqueous solution
C01F7/428 (By oxidation in an aqueous solution) appears on 49 US grants and 49 published applications in this corpus.
Search patents in C01F- Granted patents
- 49
- Published applications
- 49
- Assignees
- 40
- Inventors
- 140
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 4 |
| 2005 | 0 | 1 |
| 2006 | 3 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 3 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 2 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 2 | 4 |
| 2016 | 1 | 2 |
| 2017 | 4 | 2 |
| 2018 | 2 | 0 |
| 2019 | 4 | 2 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 3 |
| 2023 | 2 | 3 |
| 2024 | 6 | 5 |
| 2025 | 2 | 3 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Recovery and recycling of byproducts of activated aluminum22 Apr 2025US 12,280,367 B2Massachusetts Institute of Technology
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- Charge material for recycled lithium-ion batteries27 Aug 2024US 12,074,302 B2Worcester Polytechnic Institute
- Method and apparatus for recycling lithium-ion batteries23 Jul 2024US 12,046,725 B2Worcester Polytechnic Institute
- Process for conversion of energy in the form of process heat and hydrogen9 Jul 2026US 2026/0193081 A1Technische Universität Darmstadt
- Hydrogen and aluminum salt production via aluminum-water reaction18 Jun 2026US 2026/0167486 A1
- Controllable hydrogen production system and controllable hydrogen production method28 May 2026US 2026/0145933 A1
- Method for manufacturing nano metal oxides and hydrogen19 Feb 2026US 2026/0048995 A1trueECO Technology INC.
- Method and apparatus for recycling lithium-ion batteries28 Aug 2025US 2025/0273760 A1
Most cited
By later US patents
- Method and apparatus for hydrogenating hydrocarbon fuels66US 7,326,263 B22008
- Method for producing hydrogen59US 6,506,360 B12003
- Stable aqueous alumina sol and method for preparing the same28US 5,407,600 ANissan Chemical Industries, Ltd. · 1995
- Method for producing hydrogen26US 6,638,493 B22003
- Stable aqueous alumina sol and method for preparing the same22US 5,547,607 ANissan Chemical Industries, Ltd. · 1996