- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 34/34 - Obtaining molybdenum
Patent holdings for IPC class C22B 34/34
Total number of patents in this class: 161
10-year publication summary
|
9
|
12
|
6
|
10
|
4
|
9
|
11
|
12
|
3
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron U.S.A. Inc. | 4010 |
8 |
| Freeport Minerals Corporation | 116 |
6 |
| JX Nippon Mining & Metals Corporation | 1483 |
5 |
| Kyushu University, National University Corporation | 1661 |
5 |
| Sumitomo Metal Mining Co., Ltd. | 1794 |
5 |
| BASF SE | 21036 |
4 |
| ENI S.p.A. | 1277 |
4 |
| UChicago Argonne, LLC | 926 |
4 |
| Kinaltek Pty. Ltd. | 7 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3797 |
3 |
| Central South University | 451 |
3 |
| Chevron Phillips Chemical Company LP | 1843 |
3 |
| Cidra Corporate Services, LLC | 95 |
3 |
| Cytec Technology Corp. | 278 |
3 |
| Shibaura Institute of Technology | 99 |
3 |
| AEM Canada Group Inc. | 13 |
3 |
| AB Ferrolegeringar | 6 |
2 |
| Cidra Corporate Services, Inc. | 203 |
2 |
| Eco'ring | 15 |
2 |
| Ecole Nationale Superieure de Chimie de Paris | 55 |
2 |
| Other owners | 87 |