- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 25/02 - Homopolymers or copolymers of hydrocarbons
Patent holdings for IPC class C08L 25/02
Total number of patents in this class: 229
10-year publication summary
5
|
8
|
17
|
14
|
8
|
13
|
15
|
13
|
15
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Bridgestone Corporation | 7067 |
16 |
Zeon Corporation | 3854 |
7 |
Asahi Kasei Chemicals Corporation | 809 |
6 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
6 |
The Goodyear Tire & Rubber Company | 2569 |
5 |
Mitsui Chemicals, Inc. | 3134 |
5 |
Kuraray Co., Ltd. | 3392 |
5 |
Cheil Industries Inc. | 944 |
4 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
ExxonMobil Chemical Patents Inc. | 4286 |
4 |
Denka Company Limited | 2189 |
4 |
Bvpv Styrenics LLC | 22 |
4 |
Dow Global Technologies LLC | 10147 |
3 |
Toray Industries, Inc. | 6652 |
3 |
Mitsubishi Chemical Corporation | 4313 |
3 |
Techno Polymer Co., Ltd. | 81 |
3 |
The Yokohama Rubber Co., Ltd. | 3929 |
3 |
AGC Si-Tech Co., Ltd. | 49 |
3 |
Arkema Inc. | 1075 |
3 |
Asahi Kasei E-materials Corporation | 222 |
3 |
Other owners | 135 |