- All sections
- C - Chemistrymetallurgy
- C08J - Working-upgeneral processes of compoundingafter-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: 3220
10-year publication summary
|
225
|
264
|
288
|
251
|
216
|
186
|
180
|
225
|
214
|
139
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10919 |
67 |
| BASF SE | 21313 |
64 |
| Bridgestone Corporation | 7247 |
60 |
| Sumitomo Chemical Company, Limited | 9018 |
37 |
| SABIC Global Technologies B.V. | 4592 |
37 |
| LG Chem, Ltd. | 17926 |
35 |
| DIC Corporation | 3959 |
34 |
| Toray Industries, Inc. | 7092 |
28 |
| Borealis AG | 2732 |
28 |
| Arkema France | 4231 |
27 |
| Zeon Corporation | 4139 |
25 |
| Polyplastics Co., Ltd. | 623 |
24 |
| Mitsubishi Chemical Corporation | 4717 |
23 |
| Xerox Corporation | 4402 |
22 |
| Daikin Industries, Ltd. | 10472 |
22 |
| Rohm and Haas Company | 2952 |
22 |
| Mitsubishi Gas Chemical Company, Inc. | 3620 |
20 |
| Compagnie générale des établissements Michelin SCA | 2704 |
18 |
| Sumitomo Rubber Industries, Ltd. | 4723 |
18 |
| Evonik Operations GmbH | 4329 |
18 |
| Other owners | 2591 |