- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 26/22 - Obtaining magnesium
Patent holdings for IPC class C22B 26/22
Total number of patents in this class: 253
10-year publication summary
26
|
16
|
15
|
7
|
9
|
20
|
14
|
21
|
35
|
19
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Worcester Polytechnic Institute | 512 |
9 |
Alliance Magnesium | 17 |
7 |
Commonwealth Scientific and Industrial Research Organisation | 1656 |
5 |
Negative Emissions Materials, Inc. | 15 |
5 |
BASF SE | 20892 |
4 |
Sumitomo Metal Mining Co., Ltd. | 1766 |
4 |
Xiangtan University | 61 |
4 |
Hunan S.r.m Science and Technology Co., Ltd | 5 |
4 |
AEM Technologies Inc. | 35 |
4 |
BHP Billiton SSM Development Pty Ltd. | 30 |
3 |
Guangdong Brunp Recycling Technology Co., Ltd | 1217 |
3 |
Hunan Brunp Recycling Technology Co., Ltd. | 1186 |
3 |
Kabushiki Kaisha Toyota Chuo Kenkyusho | 619 |
3 |
Kunming University of Science and Technology | 177 |
3 |
The Regents of the University of Colorado, a body corporate | 2634 |
3 |
Research Institute of Industrial Science & Technology | 502 |
3 |
Toho Titanium Co., Ltd. | 252 |
3 |
Vale S.A. | 270 |
3 |
Zhengzhou University | 123 |
3 |
Alliance Magnesium Inc. | 5 |
3 |
Other owners | 174 |