- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 297/00 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
Patent holdings for IPC class C08F 297/00
Total number of patents in this class: 263
10-year publication summary
|
28
|
12
|
15
|
18
|
13
|
5
|
6
|
8
|
3
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17581 |
32 |
| Dow Global Technologies LLC | 10385 |
13 |
| Kuraray Co., Ltd. | 3496 |
8 |
| Maruzen Petrochemical Co., Ltd. | 179 |
8 |
| ExxonMobil Chemical Patents Inc. | 4016 |
6 |
| Otsuka Chemical Co., Ltd. | 290 |
6 |
| Dow Silicones Corporation | 1904 |
6 |
| Compagnie Generale des Etablissements Michelin | 4728 |
6 |
| Kaneka Corporation | 4496 |
4 |
| Kyoto University | 2799 |
4 |
| Lion Corporation | 742 |
4 |
| Toagosei Co., Ltd. | 965 |
4 |
| The University of Akron | 651 |
4 |
| California Institute of Technology | 3973 |
3 |
| Cornell University | 3291 |
3 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 369 |
3 |
| Denka Company Limited | 2545 |
3 |
| Poly-Med, Inc. | 187 |
3 |
| Tosoh Corporation | 1278 |
3 |
| University of Massachusetts Lowell | 48 |
3 |
| Other owners | 137 |