- All sections
- C - Chemistrymetallurgy
- 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: 391
10-year publication summary
28
|
33
|
45
|
14
|
45
|
30
|
34
|
23
|
23
|
18
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LG Chem, Ltd. | 17680 |
27 |
BASF SE | 21036 |
17 |
Bridgestone Corporation | 7218 |
16 |
Lotte Chemical Corporation | 733 |
11 |
Dow Global Technologies LLC | 10459 |
10 |
Zeon Corporation | 4116 |
9 |
Shengyi Technology Co., Ltd. | 262 |
8 |
Lotte Advanced Materials Co., Ltd. | 404 |
8 |
Kuraray Co., Ltd. | 3524 |
7 |
Pirelli Tyre S.p.A. | 1925 |
6 |
Sumitomo Chemical Company, Limited | 9092 |
5 |
Denka Company Limited | 2631 |
5 |
INEOS Styrolution Group GmbH | 348 |
5 |
Kraton Polymers U.S. LLC | 197 |
5 |
The Goodyear Tire & Rubber Company | 2466 |
4 |
Sabic Innovative Plastics IP B.V. | 681 |
4 |
PPG Industries Ohio, Inc. | 3435 |
4 |
JSR Corporation | 2533 |
4 |
The Yokohama Rubber Co., Ltd. | 4088 |
4 |
Kingfa SCI & Tech Co. Ltd. | 648 |
4 |
Other owners | 228 |