- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 3/22 - OxidesHydroxides of metals
Patent holdings for IPC class C08K 3/22
Total number of patents in this class: 9966
10-year publication summary
|
612
|
701
|
822
|
869
|
805
|
886
|
806
|
693
|
738
|
642
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17685 |
213 |
| Dow Global Technologies LLC | 10509 |
151 |
| Shin-Etsu Chemical Co., Ltd. | 5764 |
147 |
| 3m Innovative Properties Company | 17739 |
136 |
| BASF SE | 21083 |
129 |
| FUJIFILM Corporation | 29775 |
102 |
| SHPP Global Technologies B.V. | 1089 |
91 |
| Rohm and Haas Company | 2921 |
82 |
| Denka Company Limited | 2649 |
81 |
| Sekisui Chemical Co., Ltd. | 3480 |
80 |
| Dow Silicones Corporation | 1980 |
77 |
| Sumitomo Chemical Company, Limited | 9105 |
75 |
| Bridgestone Corporation | 7216 |
75 |
| SABIC Global Technologies B.V. | 4392 |
75 |
| DIC Corporation | 3838 |
70 |
| Sumitomo Electric Industries, Ltd. | 15732 |
69 |
| Kingfa SCI & Tech Co. Ltd. | 655 |
69 |
| Lotte Chemical Corporation | 735 |
67 |
| Resonac Corporation | 2974 |
65 |
| Mitsubishi Gas Chemical Company, Inc. | 3496 |
64 |
| Other owners | 8048 |