- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 25/10 - Copolymers of styrene with conjugated dienes
Patent holdings for IPC class C08L 25/10
Total number of patents in this class: 377
10-year publication summary
|
28
|
34
|
46
|
14
|
45
|
30
|
31
|
23
|
22
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17620 |
25 |
| BASF SE | 20367 |
16 |
| Bridgestone Corporation | 7138 |
12 |
| Dow Global Technologies LLC | 10139 |
12 |
| Lotte Chemical Corporation | 658 |
11 |
| Zeon Corporation | 3986 |
9 |
| Kuraray Co., Ltd. | 3459 |
8 |
| Shengyi Technology Co., Ltd. | 261 |
8 |
| Lotte Advanced Materials Co., Ltd. | 411 |
8 |
| Sumitomo Chemical Company, Limited | 8966 |
6 |
| Pirelli Tyre S.p.A. | 1869 |
6 |
| Denka Company Limited | 2452 |
5 |
| INEOS Styrolution Group GmbH | 342 |
5 |
| Kraton Polymers U.S. LLC | 201 |
5 |
| Sabic Innovative Plastics IP B.V. | 683 |
4 |
| JSR Corporation | 2473 |
4 |
| The Yokohama Rubber Co., Ltd. | 3959 |
4 |
| Kingfa SCI & Tech Co. Ltd. | 576 |
4 |
| Kimberly-clark Worldwide, Inc. | 5519 |
3 |
| The Goodyear Tire & Rubber Company | 2571 |
3 |
| Other owners | 219 |