- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 59/22 - Di-epoxy compounds
Patent holdings for IPC class C08G 59/22
Total number of patents in this class: 601
10-year publication summary
|
38
|
66
|
36
|
48
|
50
|
52
|
41
|
39
|
45
|
49
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10504 |
41 |
| Sika Technology AG | 2892 |
25 |
| Henkel AG & Co. KGaA | 10646 |
21 |
| Mitsubishi Chemical Corporation | 4587 |
15 |
| DIC Corporation | 3829 |
14 |
| LG Innotek Co., Ltd. | 7873 |
12 |
| Adeka Corporation | 1366 |
12 |
| 3m Innovative Properties Company | 17751 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 32219 |
9 |
| Toray Industries, Inc. | 7009 |
9 |
| Evonik Operations GmbH | 4187 |
9 |
| LG Chem, Ltd. | 17686 |
8 |
| PPG Industries Ohio, Inc. | 3422 |
8 |
| Mitsui Chemicals, Inc. | 3232 |
8 |
| Nissan Chemical Corporation | 2090 |
8 |
| Resonac Corporation | 2956 |
8 |
| Daicel Corporation | 2396 |
7 |
| Mitsubishi Gas Chemical Company, Inc. | 3490 |
7 |
| Sekisui Chemical Co., Ltd. | 3478 |
7 |
| Hitachi Chemical Company, Ltd. | 2327 |
6 |
| Other owners | 356 |