Gallium extraction agent and gallium extraction method
US-9803262-B2 · Oct 31, 2017 · US
This page is not indexed by search engines while we improve data quality.
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C22B3/0032 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Scandium extraction method
US-9481638-B2 · Nov 1, 2016 · US
Indium extraction agent and indium extraction method
US-9376734-B2 · Jun 28, 2016 · US
Method for isolating valuable metal
US-9234260-B2 · Jan 12, 2016 · 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