- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 65/40 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols and other compounds
Patent holdings for IPC class C08G 65/40
Total number of patents in this class: 998
10-year publication summary
|
54
|
88
|
80
|
90
|
104
|
74
|
87
|
73
|
69
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Solvay Specialty Polymers USA, LLC | 559 |
119 |
| Victrex Manufacturing Limited | 129 |
47 |
| Arkema France | 3888 |
44 |
| Sumitomo Chemical Company, Limited | 8966 |
34 |
| Toray Industries, Inc. | 6843 |
34 |
| BASF SE | 20367 |
29 |
| JSR Corporation | 2473 |
28 |
| LG Chem, Ltd. | 17620 |
23 |
| Evonik Operations GmbH | 4017 |
20 |
| SHPP Global Technologies B.V. | 1059 |
19 |
| Idemitsu Kosan Co., Ltd. | 4105 |
16 |
| SABIC Global Technologies B.V. | 4186 |
14 |
| Nissan Chemical Industries, Ltd. | 1762 |
13 |
| Cytec Industries Inc. | 420 |
12 |
| Hanwha Solutions Corporation | 702 |
12 |
| The United States of America as represented by the Secretary of the Navy | 2723 |
10 |
| Honshu Chemical Industry Co., Ltd. | 152 |
10 |
| Centre National de La Recherche Scientifique | 10052 |
8 |
| Daikin Industries, Ltd. | 9766 |
8 |
| Mitsubishi Gas Chemical Company, Inc. | 3334 |
8 |
| Other owners | 490 |