- All sections
- C - Chemistry; metallurgy
- C08J - Working-up; general processes of compounding; after-treatment not covered by subclasses , , , or
- C08J 3/215 - Compounding polymers with additives, e.g. colouring in the presence of a liquid phase the polymer being premixed with a liquid phase at least one additive being also premixed with a liquid phase
Patent holdings for IPC class C08J 3/215
Total number of patents in this class: 338
10-year publication summary
|
12
|
24
|
34
|
28
|
21
|
31
|
24
|
24
|
28
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Compagnie Generale des Etablissements Michelin | 4450 |
16 |
| Cabot Corporation | 575 |
14 |
| Zeon Corporation | 3854 |
14 |
| Michelin Recherche et Technique S.A. | 2328 |
12 |
| Xerox Corporation | 7503 |
8 |
| Compagnie générale des établissements Michelin SCA | 2477 |
8 |
| 3m Innovative Properties Company | 18406 |
6 |
| BASF SE | 19740 |
6 |
| ExxonMobil Chemical Patents Inc. | 4286 |
5 |
| Dow Global Technologies LLC | 10147 |
5 |
| Nippon Paper Industries Co., Ltd. | 782 |
5 |
| Toyo Tire Corporation | 943 |
5 |
| Beyond Lotus LLC | 19 |
5 |
| Bridgestone Corporation | 7067 |
4 |
| Covestro Deutschland AG | 2429 |
4 |
| Showa Denko K.K. | 2539 |
3 |
| Toray Industries, Inc. | 6652 |
3 |
| Mitsubishi Chemical Corporation | 4313 |
3 |
| Arkema France | 3790 |
3 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
3 |
| Other owners | 206 |