- All sections
- C - Chemistry; metallurgy
- C08C - Treatment or chemical modification of rubbers
- C08C 19/25 - Incorporating silicon atoms into the molecule
Patent holdings for IPC class C08C 19/25
Total number of patents in this class: 675
10-year publication summary
|
62
|
62
|
67
|
94
|
62
|
43
|
53
|
46
|
32
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
99 |
| Bridgestone Corporation | 7067 |
89 |
| Compagnie Generale des Etablissements Michelin | 4450 |
46 |
| JSR Corporation | 2476 |
32 |
| Zeon Corporation | 3854 |
32 |
| Compagnie générale des établissements Michelin SCA | 2477 |
31 |
| Sumitomo Rubber Industries, Ltd. | 4421 |
27 |
| The Yokohama Rubber Co., Ltd. | 3929 |
25 |
| Eneos Materials Corporation | 141 |
24 |
| Michelin Recherche et Technique S.A. | 2328 |
20 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
20 |
| The Goodyear Tire & Rubber Company | 2569 |
16 |
| Trinseo Europe GmbH | 317 |
16 |
| Continental Reifen Deutschland GmbH | 2324 |
15 |
| Kuraray Co., Ltd. | 3392 |
14 |
| Sumitomo Chemical Company, Limited | 8808 |
13 |
| Arlanxeo Deutschland GmbH | 302 |
13 |
| ExxonMobil Chemical Patents Inc. | 4286 |
10 |
| Bridgestone Americas Tire Operations, LLC | 990 |
9 |
| Firestone Polymers, LLC | 31 |
8 |
| Other owners | 116 |