- 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: 395
10-year publication summary
|
43
|
21
|
40
|
43
|
40
|
34
|
20
|
14
|
17
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7073 |
19 |
| Blue Cube IP LLC | 219 |
19 |
| Dow Global Technologies LLC | 10858 |
15 |
| Shengyi Technology Co., Ltd. | 266 |
13 |
| DIC Corporation | 3926 |
10 |
| Resonac Corporation | 3299 |
10 |
| PRC-DeSoto International, Inc. | 562 |
6 |
| Henkel AG & Co. KGaA | 10714 |
6 |
| Guangdong Shengyi Sci. Tech Co., Ltd. | 27 |
6 |
| Korea Institute of Industrial Technology | 1024 |
6 |
| Nan Ya Plastics Corporation | 491 |
6 |
| Sumitomo Bakelite Co., Ltd. | 1519 |
6 |
| Nippon Steel Chemical & Material Co., Ltd. | 709 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 6004 |
5 |
| Mitsubishi Chemical Corporation | 4675 |
5 |
| KCC Corporation | 344 |
5 |
| Namics Corporation | 479 |
5 |
| Taiyo Holdings Co., Ltd. | 313 |
5 |
| Westlake Epoxy Inc. | 72 |
5 |
| 3m Innovative Properties Company | 17491 |
4 |
| Other owners | 233 |