- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 33/107 - Halogenated silanes
Patent holdings for IPC class C01B 33/107
Total number of patents in this class: 508
10-year publication summary
|
47
|
20
|
35
|
28
|
33
|
17
|
24
|
17
|
14
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wacker Chemie AG | 2107 |
59 |
| Evonik Degussa GmbH | 1555 |
37 |
| Tokuyama Corporation | 1343 |
36 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 649 |
21 |
| Mitsubishi Materials Corporation | 2407 |
17 |
| High-purity Silicon Corporation | 73 |
17 |
| Shin-Etsu Chemical Co., Ltd. | 5455 |
15 |
| Dow Corning Corporation | 1018 |
15 |
| LG Chem, Ltd. | 17643 |
14 |
| Dow Silicones Corporation | 1810 |
12 |
| Evonik Operations GmbH | 4027 |
10 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3602 |
9 |
| Spawnt Private S.a.r.l. | 29 |
9 |
| MEMC Electronic Materials, Inc. | 81 |
8 |
| Toagosei Co., Ltd. | 952 |
8 |
| Entegris, Inc. | 1824 |
7 |
| IHI Corporation | 3366 |
6 |
| REC Silicon Inc | 76 |
6 |
| Corner Star Limited | 95 |
6 |
| Momentive Performance Materials Inc. | 906 |
5 |
| Other owners | 191 |