- All sections
- C - Chemistrymetallurgy
- C08J - Working-upgeneral processes of compoundingafter-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: 358
10-year publication summary
|
23
|
31
|
28
|
21
|
29
|
24
|
22
|
29
|
27
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Compagnie Generale des Etablissements Michelin | 4754 |
16 |
| Cabot Corporation | 553 |
14 |
| Zeon Corporation | 4077 |
14 |
| Michelin Recherche et Technique S.A. | 2162 |
12 |
| Compagnie générale des établissements Michelin SCA | 2577 |
8 |
| Xerox Corporation | 6986 |
7 |
| 3m Innovative Properties Company | 17795 |
6 |
| BASF SE | 20979 |
6 |
| ExxonMobil Chemical Patents Inc. | 3976 |
5 |
| Nippon Paper Industries Co., Ltd. | 833 |
5 |
| Toyo Tire Corporation | 1012 |
5 |
| Beyond Lotus LLC | 29 |
5 |
| Bridgestone Corporation | 7228 |
4 |
| Dow Global Technologies LLC | 10402 |
4 |
| Covestro Deutschland AG | 2765 |
4 |
| The Texas a & M University System | 1725 |
4 |
| Showa Denko K.K. | 2204 |
3 |
| Toray Industries, Inc. | 6976 |
3 |
| Mitsubishi Chemical Corporation | 4538 |
3 |
| Arkema France | 4164 |
3 |
| Other owners | 227 |