- 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: 306
10-year publication summary
|
17
|
14
|
25
|
19
|
14
|
21
|
33
|
13
|
29
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 10378 |
26 |
| Sumitomo Chemical Company, Limited | 9046 |
13 |
| JSR Corporation | 2548 |
13 |
| Toray Industries, Inc. | 7032 |
11 |
| Idemitsu Kosan Co., Ltd. | 4226 |
10 |
| Nippon Steel Chemical & Material Co., Ltd. | 700 |
10 |
| Solvay Specialty Polymers USA, LLC | 509 |
9 |
| Honshu Chemical Industry Co., Ltd. | 181 |
8 |
| SHPP Global Technologies B.V. | 1093 |
8 |
| Sumitomo Bakelite Co., Ltd. | 1517 |
7 |
| Lintec Corporation | 2002 |
6 |
| Daicel-evonik Ltd. | 51 |
5 |
| Mitsubishi Gas Chemical Company, Inc. | 3576 |
5 |
| Polyplastics Co., Ltd. | 621 |
5 |
| Agc, Inc. | 5264 |
5 |
| Ajinomoto Co., Inc. | 2289 |
4 |
| Arkema France | 4180 |
4 |
| Namics Corporation | 473 |
4 |
| Ticona LLC | 602 |
4 |
| Tokuyama Dental Corporation | 232 |
4 |
| Other owners | 145 |