- All sections
- C - Chemistrymetallurgy
- 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: 352
10-year publication summary
|
15
|
32
|
49
|
27
|
40
|
14
|
22
|
19
|
9
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7251 |
61 |
| Zeon Corporation | 4135 |
42 |
| LG Chem, Ltd. | 17929 |
36 |
| Sumitomo Rubber Industries, Ltd. | 4719 |
18 |
| ExxonMobil Chemical Patents Inc. | 3796 |
10 |
| Eneos Materials Corporation | 280 |
10 |
| Compagnie générale des établissements Michelin SCA | 2693 |
9 |
| Compagnie Generale des Etablissements Michelin | 4968 |
9 |
| Nippon a & L Inc. | 92 |
8 |
| JSR Corporation | 2547 |
7 |
| Kuraray Co., Ltd. | 3585 |
7 |
| Lotte Chemical Corporation | 782 |
7 |
| Sumitomo Chemical Company, Limited | 9016 |
6 |
| Asahi Kasei Kabushiki Kaisha | 2825 |
6 |
| Asahi Kasei Chemicals Corporation | 561 |
4 |
| Celanese International Corporation | 909 |
4 |
| China Petroleum & Chemical Corporation | 2140 |
4 |
| The Yokohama Rubber Co., Ltd. | 4111 |
3 |
| Amyris, Inc. | 364 |
3 |
| Japan Elastomer Co., Ltd. | 24 |
3 |
| Other owners | 95 |