- All sections
- C - Chemistry; metallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 297/02 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
Patent holdings for IPC class C08F 297/02
Total number of patents in this class: 385
10-year publication summary
|
28
|
40
|
29
|
41
|
40
|
38
|
22
|
17
|
20
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3392 |
61 |
| LG Chem, Ltd. | 17205 |
32 |
| Nippon Soda Co., Ltd. | 890 |
18 |
| JSR Corporation | 2476 |
17 |
| Arkema France | 3790 |
13 |
| Bridgestone Corporation | 7067 |
12 |
| Zeon Corporation | 3854 |
12 |
| DIC Corporation | 3597 |
11 |
| 3m Innovative Properties Company | 18406 |
10 |
| Dow Global Technologies LLC | 10147 |
7 |
| Nissan Chemical Corporation | 1725 |
7 |
| Merck Patent GmbH | 5909 |
6 |
| INEOS Styrolution Group GmbH | 325 |
6 |
| Denka Company Limited | 2189 |
5 |
| Wisconsin Alumni Research Foundation | 3774 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| The Regents of the University of California | 18943 |
3 |
| Dai Nippon Printing Co., Ltd. | 3891 |
3 |
| Mitsubishi Chemical Corporation | 4313 |
3 |
| LG Household & Health Care Ltd. | 1300 |
3 |
| Other owners | 149 |