- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 3/16 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in organic solutions
Patent holdings for IPC class C22B 3/16
Total number of patents in this class: 423
10-year publication summary
|
19
|
14
|
24
|
16
|
21
|
33
|
49
|
43
|
51
|
37
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mining and Process Solutions Pty Ltd | 13 |
10 |
| Centre National de La Recherche Scientifique | 11042 |
9 |
| Freeport Minerals Corporation | 139 |
9 |
| Covoro Mining Solutions, LLC | 15 |
7 |
| Allonnia, LLC | 29 |
6 |
| BASF SE | 21318 |
5 |
| Robert Bosch GmbH | 44209 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11126 |
5 |
| Kyushu University, National University Corporation | 1725 |
5 |
| Queen's University at Kingston | 540 |
5 |
| Stillwater Mining Company | 8 |
5 |
| Universite de Montpellier | 1043 |
5 |
| Yara International ASA | 905 |
5 |
| Excir Works Corp. | 31 |
5 |
| Asaka Riken Co., Ltd. | 54 |
4 |
| Ecolab USA Inc. | 5807 |
4 |
| Ecole Nationale Superieure de Chimie de Montpellier | 235 |
4 |
| Nanyang Technological University | 2212 |
4 |
| Technological Resources Pty. Limited | 442 |
4 |
| Toyota Tsusho Corporation | 191 |
4 |
| Other owners | 313 |