- 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: 3104
10-year publication summary
|
194
|
179
|
229
|
240
|
209
|
163
|
164
|
158
|
212
|
149
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20979 |
64 |
| Bridgestone Corporation | 7228 |
59 |
| Dow Global Technologies LLC | 10402 |
59 |
| Sumitomo Chemical Company, Limited | 9047 |
34 |
| DIC Corporation | 3812 |
34 |
| SABIC Global Technologies B.V. | 4361 |
34 |
| LG Chem, Ltd. | 17644 |
31 |
| Toray Industries, Inc. | 6976 |
29 |
| Arkema France | 4164 |
29 |
| Borealis AG | 2817 |
27 |
| Xerox Corporation | 6986 |
25 |
| Rohm and Haas Company | 2895 |
24 |
| Polyplastics Co., Ltd. | 606 |
24 |
| Zeon Corporation | 4077 |
24 |
| Mitsubishi Chemical Corporation | 4538 |
21 |
| Daikin Industries, Ltd. | 10070 |
20 |
| Evonik Operations GmbH | 4154 |
20 |
| Mitsubishi Gas Chemical Company, Inc. | 3482 |
19 |
| Sumitomo Rubber Industries, Ltd. | 4664 |
18 |
| Asahi Kasei Kabushiki Kaisha | 2684 |
17 |
| Other owners | 2492 |