Method for extracting a refractory metal from an ore, a concentrate or a waste product
US-12270089-B2 · Apr 8, 2025 · US
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Lefevre Grégory patents
Lefevre Grégory is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Lefevre Grégory |
| Total patents | 4 |
| First publication | Aug 29, 2019 |
| Latest publication | Apr 8, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Method for extracting a refractory metal from an ore, a concentrate or a waste product
US-2022364205-A1 · Nov 17, 2022 · US
Method for exchanging interlayer anions of a layered double hydroxide
US-10882753-B2 · Jan 5, 2021 · US
A Method For Exchanging Interlayer Anions Of A Layered Double Hydroxide
US-2019263671-A1 · Aug 29, 2019 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Centre Nat Rech Scient | 4 |
| Paris Sciences Et Lettres | 2 |
| Ecole Nat Superieure De Chimie De Paris | 2 |
| Paris Sciences Et Lettres—Quartier Latin | 1 |
| Paris Sciences Lettres Quartier Latin | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C01F7/785 | 2 |
| C01P2002/22 | 2 |
| C02F2303/16 | 2 |
| B01J20/041 | 2 |
| C02F2001/422 | 2 |