C01F 17/241
Containing two or more rare earth metals
Official title: containing two or more rare earth metals, e.g. NdPrO3 or LaNdPrO3
C01F17/241 (Containing two or more rare earth metals) appears on 98 US grants and 126 published applications in this corpus.
Search patents in C01F- Granted patents
- 98
- Published applications
- 126
- Assignees
- 98
- Inventors
- 360
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 3 |
| 2004 | 4 | 4 |
| 2005 | 1 | 4 |
| 2006 | 5 | 2 |
| 2007 | 2 | 4 |
| 2008 | 0 | 3 |
| 2009 | 4 | 5 |
| 2010 | 3 | 8 |
| 2011 | 6 | 9 |
| 2012 | 2 | 6 |
| 2013 | 6 | 9 |
| 2014 | 2 | 8 |
| 2015 | 8 | 6 |
| 2016 | 3 | 3 |
| 2017 | 6 | 5 |
| 2018 | 4 | 6 |
| 2019 | 2 | 4 |
| 2020 | 4 | 3 |
| 2021 | 4 | 4 |
| 2022 | 2 | 8 |
| 2023 | 5 | 9 |
| 2024 | 4 | 4 |
| 2025 | 5 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preparing rare earth oxide by recycling ammonia and carbon and use of rare earth oxide14 Apr 2026US 12,600,644 B2Baotou Research Institute of Rare Earths
- Metal-supported material and ammonia synthesis catalyst17 Mar 2026US 12,577,121 B2Japan Science and Technology Agency
- Reducing agent and method for producing gas7 Oct 2025US 12,434,226 B2Sekisui Chemical Co., Ltd.
- Trivalent doped cerium oxide compositions for biological contaminant removal19 Aug 2025US 12,391,578 B2Neo Chemicals & Oxides, LLC
- Composite oxide, metal-supported material, and ammonia synthesis catalyst5 Aug 2025US 12,378,131 B2Japan Science and Technology Agency
- Trivalent doped cerium oxide compositions for biological contaminant removal25 Jun 2026US 2026/0176166 A1Neo Chemicals & Oxides, LLC
- Cerium-Gadolinium Composite Oxide18 Jun 2026US 2026/0167515 A1Rhodia Operations
- Cerium-Gadolinium Composite Oxide11 Jun 2026US 2026/0159408 A1Rhodia Operations
- Reductant and gas production method5 Jun 2025US 2025/0178909 A1Sekisui Chemical Co., Ltd.
- Microjet reactor based synthesis of nanophosphors13 Feb 2025US 2025/0051642 A1Seaborough IP I B.V.
Most cited
By later US patents
- Production of metal oxide particles with nano-sized grains75US 6,752,979 B1Very Small Particle Company Pty Ltd · 2004
- Nanowire catalysts and methods for their use and preparation64US 8,962,517 B2Siluria Technologies, Inc. · 2015
- Ceria-based mixed-metal oxide structure, including method of making and use58US 7,166,263 B2UTC Fuel Cells, LLC · 2007
- Ceria-based mixed-metal oxide structure, including method of making and use49US 7,612,011 B2UTC Power Corporation · 2009
- Nanowire catalysts and methods for their use and preparation36US 9,751,818 B2Siluria Technologies, Inc. · 2017