Method for recovering pgm
US-2022259697-A1 · Aug 18, 2022 · US
Chemistry & Metallurgy · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C22B5/06 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 2 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2022 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2022259697-A1 · Aug 18, 2022 · US
US-9068246-B2 · Jun 30, 2015 · US