Methods of recovering rare earth metals
US-2023257278-A1 · Aug 17, 2023 · US
This page is not indexed by search engines while we improve data quality.
Nitrates
Nitrates · 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 | C01F17/276 |
| Official title | Nitrates |
| Display label | Nitrates |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rare earth metal extracting bacterial consortia
US-2023257694-A1 · Aug 17, 2023 · US
Method and system for supercritical fluid extraction of metal
US-2021265678-A1 · Aug 26, 2021 · US
Alloy identification device
US-10794858-B2 · Oct 6, 2020 · US
Method for recovering scandium
US-10570480-B2 · Feb 25, 2020 · US
Shaded zirconia ceramic material and machinable sintered ceramic bodies made therefrom
US-10479729-B2 · Nov 19, 2019 · US
Processes for selective recovery of rare earth metals present in acidic aqueous phases resulting from the treatment of spent or scrapped permanent magnets
US-10464819-B2 · Nov 5, 2019 · US
Method of recovering rare earth aluminum and silicon from rare earth-containing aluminum-silicon scraps
US-10280482-B2 · May 7, 2019 · US
Method of recovering rare earth aluminum and silicon from rare earth-containing aluminum-silicon scraps
US-2018363098-A1 · Dec 20, 2018 · US
Shaded Zirconia Ceramic Material and Machinable Sintered Ceramic Bodies Made Therefrom
US-2018237345-A1 · Aug 23, 2018 · US
Method for recovering scandium
US-2018087128-A1 · Mar 29, 2018 · US
Alloy Identification Device
US-2018045676-A1 · Feb 15, 2018 · US
Processes for selective recovery of rare earth metals present in acidic aqueous phases resulting from the treatment of spent or scrapped permanent magnets
US-2017291827-A1 · Oct 12, 2017 · US
Anion Conductor and Layered Metal Hydroxide
US-2017222242-A1 · Aug 3, 2017 · US
Method of recovering rare earths from a solid mixture containing a halophosphate and a rare earth compound and solid mixtures suitable for this method
US-9102998-B2 · Aug 11, 2015 · US
Cobalt extraction method
US-9011804-B2 · Apr 21, 2015 · US
Valuable metal extraction agent and valuable metal extraction method using said extraction agent
US-8951486-B2 · Feb 10, 2015 · US