Preparation of copper(II)-ammonia complex ion sulfidization activator and sulfidization flotation method for copper oxide ore
US-11618689-B2 · Apr 4, 2023 · US
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Hunan Res Institute For Nonferrous Metals patents
Hunan Res Institute For Nonferrous Metals holds 2 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 2 |
| Recent patents | 0 |
| First publication | Feb 11, 2021 |
| Latest publication | Apr 4, 2023 |
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| Technology | Patents |
|---|---|
| Operations & Transport | 2 |
| Chemistry & Metallurgy | 2 |