- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/372 - Sulfides
Patent holdings for IPC class C08K 5/372
Total number of patents in this class: 428
10-year publication summary
|
24
|
41
|
37
|
51
|
44
|
39
|
38
|
37
|
28
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20403 |
23 |
| Dow Global Technologies LLC | 10149 |
19 |
| Sumitomo Rubber Industries, Ltd. | 4406 |
15 |
| LG Chem, Ltd. | 17637 |
12 |
| Compagnie Generale des Etablissements Michelin | 4620 |
12 |
| Lanxess Deutschland GmbH | 1118 |
11 |
| 3m Innovative Properties Company | 17951 |
9 |
| FUJIFILM Corporation | 28555 |
9 |
| Bridgestone Corporation | 7144 |
9 |
| Miyoshi Oil & Fat Co., Ltd. | 94 |
9 |
| The Furukawa Electric Co., Ltd. | 3599 |
8 |
| Continental Reifen Deutschland GmbH | 2421 |
6 |
| Compagnie générale des établissements Michelin SCA | 2516 |
6 |
| Adeka Corporation | 1341 |
6 |
| Ticona LLC | 576 |
6 |
| Tokai Optical Co., Ltd. | 127 |
6 |
| Sumitomo Chemical Company, Limited | 8979 |
5 |
| Arkema Inc. | 1073 |
5 |
| Denka Company Limited | 2458 |
5 |
| The Goodyear Tire & Rubber Company | 2570 |
4 |
| Other owners | 243 |