C01F 17/20
Compounds containing only rare earth metals as the metal element
C01F17/20 (Compounds containing only rare earth metals as the metal element) appears on 846 US grants and 995 published applications in this corpus.
Search patents in C01F- Granted patents
- 846
- Published applications
- 995
- Assignees
- 570
- Inventors
- 2,362
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 16 | 0 |
| 1991 | 23 | 0 |
| 1992 | 12 | 0 |
| 1993 | 8 | 0 |
| 1994 | 12 | 0 |
| 1995 | 9 | 0 |
| 1996 | 9 | 0 |
| 1997 | 6 | 0 |
| 1998 | 19 | 0 |
| 1999 | 11 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 2 |
| 2002 | 5 | 19 |
| 2003 | 16 | 23 |
| 2004 | 18 | 30 |
| 2005 | 9 | 25 |
| 2006 | 20 | 33 |
| 2007 | 17 | 32 |
| 2008 | 12 | 28 |
| 2009 | 25 | 34 |
| 2010 | 17 | 45 |
| 2011 | 24 | 40 |
| 2012 | 17 | 27 |
| 2013 | 24 | 34 |
| 2014 | 28 | 34 |
| 2015 | 30 | 46 |
| 2016 | 30 | 34 |
| 2017 | 26 | 37 |
| 2018 | 39 | 56 |
| 2019 | 37 | 62 |
| 2020 | 40 | 47 |
| 2021 | 39 | 63 |
| 2022 | 43 | 56 |
| 2023 | 41 | 63 |
| 2024 | 32 | 40 |
| 2025 | 35 | 50 |
| 2026 | 21 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods of making nanopowders, nanoceramic materials and nanoceramic components15 Sep 2026US 12,735,363 B2APPLIED Materials.Inc.
- Nucleation-inhibiting coating containing rare earth compounds and devices incorporating same15 Sep 2026US 12,740,286 B2OTI Lumionics Inc.
- Binder for an agglomeration process8 Sep 2026US 12,729,161 B2Mintek
- Mesoporous silica wrapped nanoparticle composite material, preparation method thereof, and use thereof18 Aug 2026US 12,709,548 B2Wuyi University
- Cerium based particles, process for producing the same and uses thereof in polishing18 Aug 2026US 12,709,549 B2Rhodia Operations
- Modified cerium oxide polishing solution for shallow trench isolation and preparation method thereof1 Oct 2026US 2026/0297378 A1Inner Mongolia University
- Water restricted synthesis of enzyme mimetic cerium oxide and silver cerium oxide composite nanoparticles10 Sep 2026US 2026/0265075 A1Kismet Technologies Inc.
- Method for the preparation of mixed rare earth metal carbonates from monazite10 Sep 2026US 2026/0265076 A1Tecnicas Reunidas S. A.
- Method for producing hydrophilized product3 Sep 2026US 2026/0262482 A1Resonac Corporation
- Abrasive grains and selection method therefor, polishing fluid, multi-component polishing fluid, polishing method, component manufacturing method, and semiconductor component manufacturing method27 Aug 2026US 2026/0250548 A1
Most cited
By later US patents
- Method of producing nanoscale powders by quenching of vapors219US 5,788,738 ANanomaterials Research Corporation · 1998
- Integrated thermal process for the continuous synthesis of nanoscale powders213US 5,851,507 ANanomaterials Research Corporation · 1998
- Very high purity fine powders and methods to produce such powders142US 6,569,397 B12003
- Composite nanoparticle materials and method of making the same118US 7,052,777 B2Nanophase Technologies Corporation · 2006
- High purity fine metal powders and methods to produce such powder117US 6,786,950 B2NanoProducts Corporation · 2004