- 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: 3141
10-year publication summary
|
194
|
179
|
229
|
240
|
210
|
163
|
164
|
158
|
212
|
193
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21098 |
66 |
| Dow Global Technologies LLC | 10571 |
60 |
| Bridgestone Corporation | 7217 |
59 |
| Sumitomo Chemical Company, Limited | 9109 |
35 |
| SABIC Global Technologies B.V. | 4405 |
35 |
| DIC Corporation | 3854 |
34 |
| LG Chem, Ltd. | 17706 |
32 |
| Toray Industries, Inc. | 7015 |
29 |
| Arkema France | 4176 |
29 |
| Borealis AG | 2781 |
28 |
| Xerox Corporation | 6919 |
25 |
| Zeon Corporation | 4116 |
25 |
| Polyplastics Co., Ltd. | 605 |
24 |
| Rohm and Haas Company | 2936 |
23 |
| Mitsubishi Chemical Corporation | 4612 |
21 |
| Daikin Industries, Ltd. | 10174 |
20 |
| Mitsubishi Gas Chemical Company, Inc. | 3509 |
19 |
| Evonik Operations GmbH | 4181 |
19 |
| Sumitomo Rubber Industries, Ltd. | 4691 |
18 |
| Compagnie générale des établissements Michelin SCA | 2595 |
17 |
| Other owners | 2523 |