- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 8/04 - Reduction, e.g. hydrogenation
Patent holdings for IPC class C08F 8/04
Total number of patents in this class: 537
10-year publication summary
|
22
|
41
|
52
|
44
|
34
|
52
|
48
|
36
|
25
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4078 |
67 |
| Kuraray Co., Ltd. | 3502 |
60 |
| Asahi Kasei Kabushiki Kaisha | 2654 |
24 |
| Idemitsu Kosan Co., Ltd. | 4212 |
20 |
| Hanwha Solutions Corporation | 814 |
18 |
| Kolon Industries, Inc. | 1671 |
13 |
| ExxonMobil Chemical Patents Inc. | 4001 |
12 |
| Asahi Kasei Chemicals Corporation | 683 |
12 |
| Maruzen Petrochemical Co., Ltd. | 179 |
11 |
| Amyris, Inc. | 372 |
10 |
| Mitsubishi Gas Chemical Company, Inc. | 3460 |
10 |
| Kraton Polymers U.S. LLC | 199 |
8 |
| TSRC Corporation | 44 |
7 |
| University of Waterloo | 142 |
7 |
| SABIC Global Technologies B.V. | 4330 |
6 |
| Rain Carbon Germany GmbH | 54 |
6 |
| LG Chem, Ltd. | 17598 |
5 |
| JSR Corporation | 2515 |
5 |
| China Petroleum & Chemical Corporation | 1889 |
5 |
| Dynasol Elastomeros, S. A. | 11 |
5 |
| Other owners | 226 |