- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 25/18 - Homopolymers or copolymers of aromatic monomers containing elements other than carbon and hydrogen
Patent holdings for IPC class C08L 25/18
Total number of patents in this class: 361
10-year publication summary
|
21
|
44
|
40
|
29
|
28
|
34
|
18
|
22
|
22
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30594 |
14 |
| LG Chem, Ltd. | 17950 |
13 |
| Shin-Etsu Chemical Co., Ltd. | 6120 |
10 |
| Dow Global Technologies LLC | 10994 |
8 |
| Toray Industries, Inc. | 7139 |
8 |
| JSR Corporation | 2552 |
7 |
| KEMET Electronics Corporation | 320 |
6 |
| Kuraray Co., Ltd. | 3601 |
6 |
| Shengyi Technology Co., Ltd. | 268 |
6 |
| Nissan Chemical Corporation | 2248 |
6 |
| The Governing Council of The University of Toronto, | 1547 |
5 |
| Zeon Corporation | 4161 |
5 |
| E. I. du Pont de Nemours and Company | 3486 |
4 |
| The Yokohama Rubber Co., Ltd. | 4115 |
4 |
| Heraeus Precious Metals GmbH & Co. KG | 97 |
4 |
| Sumitomo Chemical Company, Limited | 8968 |
3 |
| The Board of Trustees of the Leland Stanford Junior University | 6687 |
3 |
| Mitsui Chemicals, Inc. | 3259 |
3 |
| Agfa-Gevaert | 299 |
3 |
| Akron Polymer Systems, Inc. | 76 |
3 |
| Other owners | 240 |