- All sections
- C - Chemistrymetallurgy
- 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: 720
10-year publication summary
|
62
|
66
|
91
|
61
|
42
|
55
|
52
|
32
|
15
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17643 |
108 |
| Bridgestone Corporation | 7230 |
98 |
| Compagnie Generale des Etablissements Michelin | 4754 |
47 |
| Zeon Corporation | 4078 |
38 |
| Compagnie générale des établissements Michelin SCA | 2577 |
34 |
| The Yokohama Rubber Co., Ltd. | 4053 |
31 |
| JSR Corporation | 2524 |
30 |
| Eneos Materials Corporation | 264 |
27 |
| Sumitomo Rubber Industries, Ltd. | 4663 |
26 |
| Asahi Kasei Kabushiki Kaisha | 2682 |
21 |
| Michelin Recherche et Technique S.A. | 2163 |
20 |
| Continental Reifen Deutschland GmbH | 2456 |
18 |
| The Goodyear Tire & Rubber Company | 2487 |
18 |
| Kuraray Co., Ltd. | 3510 |
16 |
| Arlanxeo Deutschland GmbH | 277 |
14 |
| ExxonMobil Chemical Patents Inc. | 3977 |
10 |
| Bridgestone Americas Tire Operations, LLC | 1070 |
10 |
| Trinseo Europe GmbH | 310 |
10 |
| Shin-Etsu Chemical Co., Ltd. | 5680 |
9 |
| Firestone Polymers, LLC | 27 |
8 |
| Other owners | 127 |