C01F 17/00
Compounds of rare earth metals
C01F17/00 (Compounds of rare earth metals) appears on 1,226 US grants and 1,481 published applications in this corpus.
Search patents in C01F- Granted patents
- 1,226
- Published applications
- 1,481
- Assignees
- 758
- Inventors
- 3,511
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 10 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 8 | 0 |
| 1984 | 8 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 13 | 0 |
| 1989 | 11 | 0 |
| 1990 | 22 | 0 |
| 1991 | 25 | 0 |
| 1992 | 13 | 0 |
| 1993 | 13 | 0 |
| 1994 | 21 | 0 |
| 1995 | 14 | 0 |
| 1996 | 12 | 0 |
| 1997 | 10 | 0 |
| 1998 | 20 | 0 |
| 1999 | 12 | 0 |
| 2000 | 8 | 0 |
| 2001 | 16 | 4 |
| 2002 | 8 | 24 |
| 2003 | 21 | 27 |
| 2004 | 20 | 38 |
| 2005 | 9 | 30 |
| 2006 | 26 | 40 |
| 2007 | 24 | 40 |
| 2008 | 14 | 41 |
| 2009 | 29 | 47 |
| 2010 | 26 | 59 |
| 2011 | 33 | 50 |
| 2012 | 27 | 38 |
| 2013 | 32 | 40 |
| 2014 | 30 | 40 |
| 2015 | 35 | 53 |
| 2016 | 37 | 45 |
| 2017 | 32 | 54 |
| 2018 | 47 | 88 |
| 2019 | 60 | 90 |
| 2020 | 61 | 99 |
| 2021 | 59 | 108 |
| 2022 | 77 | 102 |
| 2023 | 81 | 117 |
| 2024 | 57 | 75 |
| 2025 | 60 | 78 |
| 2026 | 40 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tetraazadodecane based chelating agents for separation of rare earth elements and method therefor6 Oct 2026US 12,752,219 B2Ustav Organicke Chemie A Biochemie Av Cr, V. V. I.
- Lanthanum/molybdenum composite oxide, antibacterial sintered compact, and antiviral sintered compact6 Oct 2026US 12,753,084 B2Niterra Co., Ltd.
- 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.
- Doped rare earth-containing materials and their properties8 Sep 2026US 12,729,130 B2Unearthly Materials, Inc.
- Method for producing pyrochlore-type oxide8 Oct 2026US 2026/0308007 A1Denso Corporation
- 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
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