- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 59/38 - Epoxy compounds containing three or more epoxy groups together with di-epoxy compounds
Patent holdings for IPC class C08G 59/38
Total number of patents in this class: 248
10-year publication summary
|
20
|
19
|
21
|
21
|
28
|
23
|
23
|
22
|
19
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6652 |
32 |
| 3m Innovative Properties Company | 18406 |
11 |
| Cytec Industries Inc. | 407 |
11 |
| Daicel Corporation | 2128 |
10 |
| Henkel AG & Co. KGaA | 10129 |
9 |
| Nitto Denko Corporation | 7879 |
7 |
| Dow Global Technologies LLC | 10147 |
7 |
| Hilti Aktiengesellschaft | 3227 |
7 |
| Cytec Technology Corp. | 328 |
6 |
| Essilor International (compagnie Generale D'optique) | 2918 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
5 |
| Mitsubishi Chemical Corporation | 4313 |
5 |
| Hexcel Composites Limited | 172 |
5 |
| Hexcel Corporation | 305 |
4 |
| Resonac Corporation | 2233 |
4 |
| Centre National de La Recherche Scientifique | 9632 |
3 |
| LG Innotek Co., Ltd. | 6758 |
3 |
| Adeka Corporation | 1333 |
3 |
| Hitachi Chemical Company, Ltd. | 2455 |
2 |
| Sumitomo Chemical Company, Limited | 8808 |
2 |
| Other owners | 106 |