C01F 7/422
By oxidation with a gaseous oxidator at a high temperature
Official title: by oxidation with a gaseous oxidator at a high temperature
C01F7/422 (By oxidation with a gaseous oxidator at a high temperature) appears on 35 US grants and 22 published applications in this corpus.
Search patents in C01F- Granted patents
- 35
- Published applications
- 22
- Assignees
- 31
- Inventors
- 77
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 3 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 3 |
| 2021 | 2 | 0 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing spherical particle material7 Jul 2026US 12,673,877 B2Admatechs Co., Ltd.
- Metal particles and method for preparation thereof using electroerosion dispersion2 Dec 2025US 12,485,483 B2
- Explosive formulations of mixture of carbon dioxide and a reducing agent and methods of using same25 Oct 2022US 11,479,517 B2
- Aluminum oxide aerogels and methods of making and use thereof18 Oct 2022US 11,472,713 B2North Carolina State University
- Flame based fluidized bed reactor for nanomaterials production31 Aug 2021US 11,103,848 B2Advanced Energy Materials, LLC
- High-purity alumina particles and method of producing same, and resin composition for electronic devices and method of producing the same10 Sep 2026US 2026/0265496 A1Admatechs Co., Ltd.
- Metal particles and method for preparation thereof using electroerosion dispersion5 Mar 2026US 2026/0061486 A1
- Inorganic powder10 Apr 2025US 2025/0115484 A1Denka Company Limited
- Method for manufacturing spherical particle material13 Jul 2023US 2023/0219823 A1Admatechs Co., Ltd.
- Metal particles and method for preparation thereof using electroerosion dispersion1 Sep 2022US 2022/0274171 A1
Most cited
By later US patents
- Method of making nanostructured materials142US 5,460,701 ANanophase Technologies Corporation · 1995
- Process for producing ultra-fine ceramic particles84US 4,705,762 AToyota Jidosha Kabushiki Kaisha · 1987
- Nanocrystalline materials74US 5,874,684 ANanophase Technologies Corporation · 1999
- Method of making nanocrystalline alpha alumina49US 5,128,081 AArch Development Corporation · 1992
- Method for producing metal oxide nanoparticles42US 7,357,910 B2Los Alamos National Security, LLC · 2008