- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 71/10 - Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
Patent holdings for IPC class C08L 71/10
Total number of patents in this class: 305
10-year publication summary
|
17
|
14
|
25
|
19
|
16
|
22
|
34
|
13
|
29
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 10412 |
26 |
| Sumitomo Chemical Company, Limited | 9014 |
13 |
| JSR Corporation | 2528 |
13 |
| Toray Industries, Inc. | 7073 |
11 |
| Nippon Steel Chemical & Material Co., Ltd. | 709 |
11 |
| Idemitsu Kosan Co., Ltd. | 4210 |
10 |
| Solvay Specialty Polymers USA, LLC | 505 |
9 |
| Honshu Chemical Industry Co., Ltd. | 183 |
8 |
| SHPP Global Technologies B.V. | 1093 |
8 |
| Lintec Corporation | 2004 |
6 |
| Sumitomo Bakelite Co., Ltd. | 1519 |
6 |
| Daicel-evonik Ltd. | 51 |
5 |
| Mitsubishi Gas Chemical Company, Inc. | 3602 |
5 |
| Polyplastics Co., Ltd. | 627 |
5 |
| Agc, Inc. | 5396 |
5 |
| Ajinomoto Co., Inc. | 2276 |
4 |
| Arkema France | 4193 |
4 |
| Namics Corporation | 479 |
4 |
| Ticona LLC | 602 |
4 |
| Tokuyama Dental Corporation | 233 |
4 |
| Other owners | 144 |