- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 63/04 - Epoxynovolacs
Patent holdings for IPC class C08L 63/04
Total number of patents in this class: 386
10-year publication summary
|
39
|
43
|
21
|
40
|
42
|
40
|
32
|
20
|
14
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6950 |
19 |
| Blue Cube IP LLC | 216 |
19 |
| Dow Global Technologies LLC | 10371 |
15 |
| Shengyi Technology Co., Ltd. | 262 |
13 |
| DIC Corporation | 3803 |
10 |
| PRC-DeSoto International, Inc. | 571 |
6 |
| Henkel AG & Co. KGaA | 10588 |
6 |
| Guangdong Shengyi Sci. Tech Co., Ltd. | 32 |
6 |
| Korea Institute of Industrial Technology | 1014 |
6 |
| Nan Ya Plastics Corporation | 434 |
6 |
| Sumitomo Bakelite Co., Ltd. | 1498 |
6 |
| Nippon Steel Chemical & Material Co., Ltd. | 652 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 5674 |
5 |
| Mitsubishi Chemical Corporation | 4526 |
5 |
| Namics Corporation | 444 |
5 |
| Taiyo Holdings Co., Ltd. | 278 |
5 |
| Westlake Epoxy Inc. | 70 |
5 |
| Resonac Corporation | 2825 |
5 |
| 3m Innovative Properties Company | 17820 |
4 |
| LG Chem, Ltd. | 17641 |
4 |
| Other owners | 230 |