- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 1/08 - Chloridising roasting
Patent holdings for IPC class C22B 1/08
Total number of patents in this class: 49
10-year publication summary
|
1
|
5
|
8
|
2
|
4
|
5
|
2
|
1
|
1
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SMS Group GmbH | 1117 |
4 |
| Blue Skies Research, Inc. | 4 |
3 |
| Hazen Research, Inc. | 5 |
2 |
| Lanxess Deutschland GmbH | 1126 |
2 |
| Minex Technologies Limited | 2 |
2 |
| South China University of Technology | 1772 |
2 |
| Terrapower, LLC | 331 |
2 |
| ThyssenKrupp Steel Europe AG | 952 |
2 |
| Fu`an Kanqi Dynamic Technology Co Ltd | 2 |
2 |
| Minex Technology Group Limited | 2 |
2 |
| Hitachi Metals, Ltd. | 1988 |
1 |
| Andritz AG | 232 |
1 |
| Anglo Platinum Management Services (Pty) Ltd | 1 |
1 |
| Ash DEC Umwelt AG | 1 |
1 |
| Beijing University of Technology | 492 |
1 |
| Holcim Technology Ltd. | 985 |
1 |
| Kronos International, Inc. | 109 |
1 |
| Rustenburg Platinum Mines Limited | 3 |
1 |
| Toho Titanium Co., Ltd. | 252 |
1 |
| Tronox LLC | 161 |
1 |
| Other owners | 16 |