- 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: 747
10-year publication summary
|
67
|
94
|
62
|
44
|
56
|
53
|
32
|
16
|
42
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17921 |
120 |
| Bridgestone Corporation | 7259 |
103 |
| Compagnie Generale des Etablissements Michelin | 4970 |
49 |
| Zeon Corporation | 4147 |
37 |
| Compagnie générale des établissements Michelin SCA | 2716 |
34 |
| The Yokohama Rubber Co., Ltd. | 4114 |
31 |
| JSR Corporation | 2554 |
29 |
| Eneos Materials Corporation | 280 |
28 |
| Sumitomo Rubber Industries, Ltd. | 4726 |
25 |
| Asahi Kasei Kabushiki Kaisha | 2833 |
21 |
| Michelin Recherche et Technique S.A. | 2084 |
20 |
| Continental Reifen Deutschland GmbH | 2538 |
18 |
| Kuraray Co., Ltd. | 3589 |
18 |
| Arlanxeo Deutschland GmbH | 279 |
15 |
| Bridgestone Americas Tire Operations, LLC | 1126 |
13 |
| The Goodyear Tire & Rubber Company | 2395 |
12 |
| ExxonMobil Chemical Patents Inc. | 3776 |
10 |
| Trinseo Europe GmbH | 324 |
10 |
| Shin-Etsu Chemical Co., Ltd. | 6096 |
9 |
| Firestone Polymers, LLC | 23 |
8 |
| Other owners | 137 |