- All sections
- C - Chemistrymetallurgy
- 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: 406
10-year publication summary
|
29
|
41
|
40
|
38
|
23
|
19
|
20
|
20
|
18
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3581 |
62 |
| LG Chem, Ltd. | 17883 |
38 |
| JSR Corporation | 2530 |
17 |
| Nippon Soda Co., Ltd. | 883 |
15 |
| Merck Patent GmbH | 5669 |
13 |
| Arkema France | 4189 |
13 |
| Bridgestone Corporation | 7238 |
12 |
| DIC Corporation | 3924 |
11 |
| Zeon Corporation | 4129 |
11 |
| 3m Innovative Properties Company | 17491 |
9 |
| Tokyo Ohka Kogyo Co., Ltd. | 1544 |
9 |
| Nissan Chemical Corporation | 2183 |
7 |
| INEOS Styrolution Group GmbH | 357 |
6 |
| Wisconsin Alumni Research Foundation | 3915 |
5 |
| Dow Global Technologies LLC | 10845 |
5 |
| Denka Company Limited | 2710 |
5 |
| Dai Nippon Printing Co., Ltd. | 4217 |
3 |
| Rohm and Haas Company | 2946 |
3 |
| Mitsubishi Chemical Corporation | 4665 |
3 |
| LG Household & Health Care Ltd. | 1035 |
3 |
| Other owners | 156 |