- All sections
- C - Chemistry; metallurgy
- C08J - Working-up; general processes of compounding; after-treatment not covered by subclasses , , , or
- C08J 3/20 - Compounding polymers with additives, e.g. colouring
Patent holdings for IPC class C08J 3/20
Total number of patents in this class: 2868
10-year publication summary
|
242
|
286
|
224
|
262
|
286
|
249
|
212
|
181
|
173
|
68
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
58 |
| Bridgestone Corporation | 7067 |
58 |
| Dow Global Technologies LLC | 10147 |
53 |
| Sumitomo Chemical Company, Limited | 8808 |
33 |
| LG Chem, Ltd. | 17205 |
27 |
| Toray Industries, Inc. | 6652 |
27 |
| DIC Corporation | 3597 |
27 |
| Xerox Corporation | 7503 |
26 |
| Arkema France | 3790 |
25 |
| SABIC Global Technologies B.V. | 4044 |
24 |
| Rohm and Haas Company | 2805 |
22 |
| Evonik Operations GmbH | 3879 |
22 |
| Zeon Corporation | 3854 |
21 |
| Polyplastics Co., Ltd. | 563 |
20 |
| Borealis AG | 2558 |
18 |
| Arlanxeo Singapore Pte. Ltd. | 88 |
18 |
| Sumitomo Rubber Industries, Ltd. | 4421 |
17 |
| Daikin Industries, Ltd. | 9495 |
16 |
| 3m Innovative Properties Company | 18406 |
15 |
| Compagnie générale des établissements Michelin SCA | 2477 |
15 |
| Other owners | 2326 |