- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 257/00 - Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group
Patent holdings for IPC class C08F 257/00
Total number of patents in this class: 77
10-year publication summary
|
8
|
2
|
2
|
5
|
5
|
7
|
5
|
4
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30063 |
5 |
| Nippon Steel Chemical & Material Co., Ltd. | 684 |
5 |
| BASF SE | 21146 |
4 |
| LG Chem, Ltd. | 17745 |
3 |
| Brother Industries, Ltd. | 12907 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 33033 |
3 |
| Denka Company Limited | 2680 |
3 |
| DIC Corporation | 3891 |
3 |
| Zeon Corporation | 4125 |
3 |
| E. I. du Pont de Nemours and Company | 3762 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3552 |
2 |
| Nippon Steel Chemical Co., Ltd. | 144 |
2 |
| NOK Corporation | 2264 |
2 |
| The University of Sydney | 622 |
2 |
| Roche Diagnostics Operations, Inc. | 1505 |
1 |
| 3m Innovative Properties Company | 17596 |
1 |
| Centre National de La Recherche Scientifique | 10812 |
1 |
| Bayer Intellectual Property GmbH | 2428 |
1 |
| Bayer Cropscience AG | 1950 |
1 |
| Nitto Denko Corporation | 8411 |
1 |
| Other owners | 29 |