- All sections
- C - Chemistry; metallurgy
- 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: 512
10-year publication summary
|
39
|
39
|
69
|
37
|
49
|
51
|
51
|
37
|
41
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10147 |
40 |
| Sika Technology AG | 2650 |
19 |
| Henkel AG & Co. KGaA | 10129 |
17 |
| Mitsubishi Chemical Corporation | 4313 |
14 |
| LG Innotek Co., Ltd. | 6758 |
12 |
| 3m Innovative Properties Company | 18406 |
10 |
| Adeka Corporation | 1333 |
10 |
| LG Chem, Ltd. | 17205 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
8 |
| Daicel Corporation | 2128 |
8 |
| Mitsui Chemicals, Inc. | 3134 |
7 |
| Sekisui Chemical Co., Ltd. | 3159 |
7 |
| Evonik Operations GmbH | 3879 |
7 |
| Resonac Corporation | 2233 |
7 |
| Centre National de La Recherche Scientifique | 9632 |
6 |
| Hitachi Chemical Company, Ltd. | 2455 |
6 |
| PPG Industries Ohio, Inc. | 3430 |
6 |
| Toray Industries, Inc. | 6652 |
6 |
| Blue Cube IP LLC | 219 |
6 |
| Cytec Industries Inc. | 407 |
6 |
| Other owners | 302 |