- All sections
- C - Chemistrymetallurgy
- 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: 825
10-year publication summary
|
69
|
62
|
75
|
80
|
63
|
78
|
52
|
48
|
50
|
39
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6951 |
51 |
| DIC Corporation | 3802 |
26 |
| Nippon Kayaku Kabushiki Kaisha | 1436 |
26 |
| Shin-Etsu Chemical Co., Ltd. | 5663 |
20 |
| FUJIFILM Corporation | 29424 |
18 |
| Daicel Corporation | 2351 |
17 |
| Mitsubishi Gas Chemical Company, Inc. | 3466 |
12 |
| 3m Innovative Properties Company | 17819 |
11 |
| Nitto Denko Corporation | 8246 |
11 |
| Dow Global Technologies LLC | 10349 |
11 |
| Nissan Chemical Industries, Ltd. | 1716 |
11 |
| Mitsubishi Chemical Corporation | 4519 |
10 |
| Adeka Corporation | 1363 |
10 |
| Teijin Limited | 1246 |
10 |
| Nissan Chemical Corporation | 2028 |
10 |
| Nippon Steel Chemical & Material Co., Ltd. | 650 |
10 |
| Henkel AG & Co. KGaA | 10584 |
9 |
| Hexcel Corporation | 301 |
9 |
| Resonac Corporation | 2832 |
9 |
| Cytec Technology Corp. | 276 |
8 |
| Other owners | 526 |