Method for whole component microwave fast digestion and precious metal extraction from ionic liquid of waste circuit board
US-11661639-B2 · May 30, 2023 · US
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Yan Jiewen patents
Yan Jiewen is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Yan Jiewen |
| Total patents | 2 |
| First publication | Aug 25, 2022 |
| Latest publication | May 30, 2023 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Beijing Technology | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C22B23/0461 | 2 |
| C22B15/0089 | 2 |
| C22B3/362 | 2 |
| C22B23/043 | 2 |
| C22B15/0071 | 2 |