- 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: 726
10-year publication summary
|
66
|
91
|
61
|
42
|
55
|
52
|
32
|
16
|
42
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17706 |
110 |
| Bridgestone Corporation | 7210 |
100 |
| Compagnie Generale des Etablissements Michelin | 4846 |
47 |
| Zeon Corporation | 4121 |
38 |
| Compagnie générale des établissements Michelin SCA | 2622 |
34 |
| The Yokohama Rubber Co., Ltd. | 4103 |
31 |
| JSR Corporation | 2554 |
29 |
| Eneos Materials Corporation | 279 |
28 |
| Sumitomo Rubber Industries, Ltd. | 4709 |
26 |
| Asahi Kasei Kabushiki Kaisha | 2735 |
21 |
| Michelin Recherche et Technique S.A. | 2136 |
20 |
| Continental Reifen Deutschland GmbH | 2468 |
18 |
| Kuraray Co., Ltd. | 3556 |
16 |
| Arlanxeo Deutschland GmbH | 276 |
15 |
| The Goodyear Tire & Rubber Company | 2424 |
11 |
| Bridgestone Americas Tire Operations, LLC | 1091 |
11 |
| ExxonMobil Chemical Patents Inc. | 3916 |
10 |
| Trinseo Europe GmbH | 316 |
10 |
| Shin-Etsu Chemical Co., Ltd. | 5831 |
9 |
| Firestone Polymers, LLC | 25 |
8 |
| Other owners | 134 |