- 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: 876
10-year publication summary
|
62
|
75
|
80
|
63
|
78
|
52
|
51
|
49
|
59
|
37
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7113 |
52 |
| DIC Corporation | 3962 |
26 |
| Nippon Kayaku Kabushiki Kaisha | 1454 |
26 |
| Shin-Etsu Chemical Co., Ltd. | 6096 |
25 |
| FUJIFILM Corporation | 30514 |
18 |
| Daicel Corporation | 2523 |
17 |
| Dow Global Technologies LLC | 10944 |
14 |
| Mitsubishi Gas Chemical Company, Inc. | 3622 |
12 |
| Nissan Chemical Corporation | 2227 |
12 |
| Nippon Steel Chemical & Material Co., Ltd. | 730 |
12 |
| 3m Innovative Properties Company | 17478 |
11 |
| Mitsubishi Chemical Corporation | 4724 |
11 |
| Nissan Chemical Industries, Ltd. | 1645 |
11 |
| Teijin Limited | 1282 |
11 |
| Nitto Denko Corporation | 8536 |
10 |
| Henkel AG & Co. KGaA | 10770 |
10 |
| Adeka Corporation | 1377 |
10 |
| Hexcel Corporation | 298 |
10 |
| Hexcel Composites Limited | 182 |
9 |
| Resonac Corporation | 3530 |
9 |
| Other owners | 560 |