Adsorbent, process for producing thereof, and adsorbent molded article
US-2021394153-A1 · Dec 23, 2021 · US
Compounds of rare earth metals
Compounds of rare earth metals · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01F17/00 |
| Official title | Compounds of rare earth metals |
| Display label | Compounds of rare earth metals |
| Total patents | 87 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 10 |
| 2019 | 22 |
| 2020 | 11 |
| 2021 | 9 |
| 2022 | 8 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing transparent ceramic,transparent ceramic, magneto-optical device and rare earth oxide powder for sintering
US-11067835-B2 · Jul 20, 2021 · US
Ceria composite particle dispersion, method for producing same, and polishing abrasive grain dispersion comprising ceria composite particle dispersion
US-10920120-B2 · Feb 16, 2021 · US
Solid electrolyte material and battery
US-2020328461-A1 · Oct 15, 2020 · US
Method of preparing cerium boride powder
US-10793476-B2 · Oct 6, 2020 · US
Rare earth silicate coatings solvothermally grown over high temperature ceramic components
US-10773999-B2 · Sep 15, 2020 · US
Cerium-based abrasive material and process for producing same
US-10717909-B2 · Jul 21, 2020 · US
Upgrade of yttrium in a mixed rare earth stream using iminodiacetic acid functionalized resin
US-10696562-B2 · Jun 30, 2020 · US
Method for producing transparent ceramic, transparent ceramic, magneto-optical device and rare earth oxide powder for sintering
US-10642073-B2 · May 5, 2020 · US
Near infrared absorbing fine particle dispersion liquid and method for producing the same, anti-counterfeit ink composition using near infrared absorbing fine particle dispersion liquid, and anti-counterfeit printed matter using near infrared absorbing fine particles
US-2020115570-A1 · Apr 16, 2020 · US
Near infrared absorbing fine particle dispersion liquid and method for producing the same, anti-counterfeit ink composition using near infrared absorbing fine particle dispersion liquid, and anti-counterfeit printed matter using near infrared absorbing fine particles
US-10604665-B2 · Mar 31, 2020 · US
Method of preparing cerium boride powder
US-2020062655-A1 · Feb 27, 2020 · US
Oil based product for treating vanadium rich oils
US-10557099-B2 · Feb 11, 2020 · US
Surface-modified metal compound particles, and method for producing surface-modified metal compound particles
US-2020030878-A1 · Jan 30, 2020 · US
Molded Article
US-2019381481-A1 · Dec 19, 2019 · US
Piezoelectric film and piezoelectric element including the same
US-10483452-B2 · Nov 19, 2019 · US
Composite metal oxide particles and method for manufacturing same
US-10468702-B2 · Nov 5, 2019 · US
Antioxidant for polymer electrolyte membrane fuel cells, electrolyte including the same, and membrane-electrode assembly for vehicles including the same
US-2019319287-A1 · Oct 17, 2019 · US
Production of 43sc radionuclide and its use in positron emission tomography
US-2019307909-A1 · Oct 10, 2019 · US
Method of manufacturing a garnet type crystal
US-2019309439-A1 · Oct 10, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01F17/00?
- CPC C01F17/00 is the Cooperative Patent Classification code for “Compounds of rare earth metals.”
- How many patents are filed under CPC C01F17/00 (Compounds of rare earth metals)?
- Our database includes 87 publications tagged with this CPC code.
- Is patent activity under CPC C01F17/00 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).