- 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: 364
10-year publication summary
|
31
|
28
|
21
|
29
|
24
|
22
|
29
|
27
|
18
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Compagnie Generale des Etablissements Michelin | 4868 |
16 |
| Cabot Corporation | 553 |
14 |
| Zeon Corporation | 4114 |
14 |
| Michelin Recherche et Technique S.A. | 2118 |
12 |
| Compagnie générale des établissements Michelin SCA | 2654 |
8 |
| 3m Innovative Properties Company | 17546 |
6 |
| BASF SE | 21147 |
6 |
| Xerox Corporation | 5704 |
6 |
| Nippon Paper Industries Co., Ltd. | 839 |
6 |
| ExxonMobil Chemical Patents Inc. | 3857 |
5 |
| Toyo Tire Corporation | 1024 |
5 |
| Beyond Lotus LLC | 30 |
5 |
| Bridgestone Corporation | 7239 |
4 |
| Dow Global Technologies LLC | 10765 |
4 |
| Asahi Kasei Kabushiki Kaisha | 2766 |
4 |
| Covestro Deutschland AG | 2798 |
4 |
| The Texas a & M University System | 1828 |
4 |
| Showa Denko K.K. | 2114 |
3 |
| Toray Industries, Inc. | 7033 |
3 |
| Mitsubishi Chemical Corporation | 4683 |
3 |
| Other owners | 232 |