- 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: 56
10-year publication summary
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3
|
2
|
2
|
1
|
0
|
1
|
4
|
1
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evonik Operations GmbH | 4095 |
4 |
| Evonik Degussa GmbH | 1533 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 5651 |
3 |
| Dow Silicones Corporation | 1921 |
3 |
| High-purity Silicon Corporation | 73 |
3 |
| Entegris, Inc. | 1867 |
2 |
| Hanwha Chemical Corporation | 321 |
2 |
| Mitsubishi Materials Corporation | 2442 |
2 |
| REC Silicon Inc | 75 |
2 |
| Wacker Chemie AG | 2107 |
2 |
| Corner Star Limited | 95 |
2 |
| LG Chem, Ltd. | 17620 |
1 |
| Merck Patent GmbH | 5830 |
1 |
| Hyundai Motor Company | 21960 |
1 |
| NGK Insulators, Ltd. | 4949 |
1 |
| Toyota Industries Corporation | 1116 |
1 |
| Dow Corning Corporation | 966 |
1 |
| Arise Technologies Corporation | 9 |
1 |
| Case Western Reserve University | 1813 |
1 |
| Institut National de La Recherche Scientifique | 254 |
1 |
| Other owners | 19 |