Methods of recovering rare earth elements
US-10954585-B2 · Mar 23, 2021 · US
This page is not indexed by search engines while we improve data quality.
with ketones or aldehydes
with ketones or aldehydes · 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 | C22B3/1641 |
| Official title | {with ketones or aldehydes} |
| Display label | with ketones or aldehydes |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Leaching aids and methods of using leaching aids
US-10745778-B2 · Aug 18, 2020 · US
Methods of recovering rare earth elements
US-2019226054-A1 · Jul 25, 2019 · US
Leaching aids and methods of using leaching aids
US-2017159153-A1 · Jun 8, 2017 · US