- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 3/20 - OxidesHydroxides
Patent holdings for IPC class C08K 3/20
Total number of patents in this class: 687
10-year publication summary
|
34
|
46
|
44
|
37
|
36
|
23
|
29
|
28
|
28
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Chemical Co., Ltd. | 3531 |
15 |
| BASF SE | 21146 |
14 |
| Dow Global Technologies LLC | 10707 |
12 |
| Daikin Industries, Ltd. | 10223 |
10 |
| Sumitomo Chemical Company, Limited | 9051 |
9 |
| DIC Corporation | 3891 |
9 |
| Asahi Kasei Kabushiki Kaisha | 2745 |
8 |
| 3m Innovative Properties Company | 17596 |
7 |
| Shin-Etsu Chemical Co., Ltd. | 5878 |
7 |
| PPG Industries Ohio, Inc. | 3384 |
7 |
| Zeon Corporation | 4125 |
7 |
| DuPont Electronics, Inc. | 374 |
7 |
| Sumitomo Electric Industries, Ltd. | 15978 |
6 |
| FUJIFILM Corporation | 30063 |
6 |
| Rohm and Haas Company | 2941 |
6 |
| Henkel AG & Co. KGaA | 10699 |
6 |
| Yazaki Corporation | 6896 |
5 |
| Life Technologies Corporation | 3375 |
5 |
| Mitsui Chemicals, Inc. | 3225 |
5 |
| Denka Company Limited | 2680 |
5 |
| Other owners | 531 |