Method for recovering a minor metal and/or rare-earth metal
US-11299796-B2 · Apr 12, 2022 · US
using a halogen containing agent · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C22B34/1222 |
| Official title | {using a halogen containing agent} |
| Display label | using a halogen containing agent |
| Total patents | 6 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2019 | 1 |
| 2022 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11299796-B2 · Apr 12, 2022 · US
US-2019292630-A1 · Sep 26, 2019 · US
US-9822016-B2 · Nov 21, 2017 · US
US-9315915-B2 · Apr 19, 2016 · US
US-2016052795-A1 · Feb 25, 2016 · US
US-9181101-B2 · Nov 10, 2015 · US