- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 59/32 - Epoxy compounds containing three or more epoxy groups
Patent holdings for IPC class C08G 59/32
Total number of patents in this class: 769
10-year publication summary
|
52
|
69
|
62
|
75
|
80
|
63
|
75
|
51
|
46
|
24
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6652 |
48 |
| DIC Corporation | 3597 |
26 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
25 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
19 |
| FUJIFILM Corporation | 27102 |
18 |
| Daicel Corporation | 2128 |
18 |
| Dow Global Technologies LLC | 10147 |
12 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
12 |
| 3m Innovative Properties Company | 18406 |
11 |
| Cytec Technology Corp. | 328 |
11 |
| Nissan Chemical Industries, Ltd. | 1822 |
11 |
| Nitto Denko Corporation | 7879 |
10 |
| Mitsubishi Chemical Corporation | 4313 |
10 |
| Cytec Industries Inc. | 407 |
10 |
| Adeka Corporation | 1333 |
9 |
| Hexcel Corporation | 305 |
9 |
| Nissan Chemical Corporation | 1725 |
9 |
| Nippon Steel Chemical & Material Co., Ltd. | 571 |
9 |
| Henkel AG & Co. KGaA | 10129 |
8 |
| Hexcel Composites Limited | 172 |
8 |
| Other owners | 476 |