- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 9/00 - Use of pretreated ingredients
Patent holdings for IPC class C08K 9/00
Total number of patents in this class: 638
10-year publication summary
|
41
|
54
|
50
|
35
|
30
|
22
|
37
|
30
|
23
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| PPG Industries Ohio, Inc. | 3445 |
14 |
| Omya International AG | 771 |
10 |
| 3m Innovative Properties Company | 17820 |
8 |
| BASF SE | 20945 |
7 |
| Shin-Etsu Chemical Co., Ltd. | 5674 |
7 |
| Cabot Corporation | 551 |
7 |
| Samsung Electronics Co., Ltd. | 147003 |
6 |
| FUJIFILM Corporation | 29458 |
6 |
| Dow Silicones Corporation | 1947 |
6 |
| GranBio Intellectual Property Holdings, LLC | 121 |
6 |
| Rohm and Haas Company | 2884 |
5 |
| Kingfa SCI & Tech Co. Ltd. | 640 |
5 |
| Tundra Composites, LLC | 72 |
5 |
| LG Chem, Ltd. | 17641 |
4 |
| Compagnie générale des établissements Michelin SCA | 2563 |
4 |
| Denka Company Limited | 2593 |
4 |
| DIC Corporation | 3803 |
4 |
| Eastman Chemical Company | 2216 |
4 |
| Mitsubishi Gas Chemical Company, Inc. | 3470 |
4 |
| Shoei Chemical Inc. | 323 |
4 |
| Other owners | 518 |