- All sections
- C - Chemistry; metallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 236/04 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
Patent holdings for IPC class C08F 236/04
Total number of patents in this class: 326
10-year publication summary
16
|
23
|
15
|
32
|
49
|
27
|
39
|
14
|
20
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Bridgestone Corporation | 7067 |
59 |
Zeon Corporation | 3854 |
41 |
LG Chem, Ltd. | 17205 |
35 |
Sumitomo Rubber Industries, Ltd. | 4421 |
18 |
ExxonMobil Chemical Patents Inc. | 4286 |
10 |
Nippon a & L Inc. | 83 |
8 |
Compagnie Generale des Etablissements Michelin | 4450 |
8 |
Sumitomo Chemical Company, Limited | 8808 |
7 |
JSR Corporation | 2476 |
7 |
Lotte Chemical Corporation | 591 |
7 |
Kuraray Co., Ltd. | 3392 |
6 |
Compagnie générale des établissements Michelin SCA | 2477 |
5 |
Asahi Kasei Chemicals Corporation | 809 |
5 |
Eneos Materials Corporation | 141 |
5 |
Celanese International Corporation | 879 |
4 |
Trinseo Europe GmbH | 317 |
4 |
The Yokohama Rubber Co., Ltd. | 3929 |
3 |
Amyris, Inc. | 368 |
3 |
Asahi Kasei Kabushiki Kaisha | 2429 |
3 |
China Petroleum & Chemical Corporation | 1623 |
3 |
Other owners | 85 |