- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 33/08 - Compounds containing halogen
Patent holdings for IPC class C01B 33/08
Total number of patents in this class: 58
10-year publication summary
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2
|
2
|
2
|
1
|
0
|
1
|
4
|
1
|
2
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evonik Operations GmbH | 4178 |
4 |
| Evonik Degussa GmbH | 1482 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 5715 |
3 |
| Dow Silicones Corporation | 1962 |
3 |
| High-purity Silicon Corporation | 73 |
3 |
| Entegris, Inc. | 1901 |
2 |
| Hanwha Chemical Corporation | 314 |
2 |
| Mitsubishi Materials Corporation | 2471 |
2 |
| REC Silicon Inc | 75 |
2 |
| Wacker Chemie AG | 2112 |
2 |
| Corner Star Limited | 95 |
2 |
| LG Chem, Ltd. | 17680 |
1 |
| Merck Patent GmbH | 5764 |
1 |
| Hyundai Motor Company | 22484 |
1 |
| NGK Insulators, Ltd. | 5115 |
1 |
| Toyota Industries Corporation | 1145 |
1 |
| Dow Corning Corporation | 956 |
1 |
| Arise Technologies Corporation | 9 |
1 |
| Case Western Reserve University | 1842 |
1 |
| Florida State University Research Foundation, Inc. | 773 |
1 |
| Other owners | 21 |