- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 4/28 - Oxygen or compounds releasing free oxygen
Patent holdings for IPC class C08F 4/28
Total number of patents in this class: 38
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10981 |
2 |
| Basell Polyolefine GmbH | 515 |
2 |
| Beijing University of Chemical Technology | 334 |
2 |
| China Petroleum & Chemical Corporation | 2160 |
2 |
| SABIC Global Technologies B.V. | 4610 |
2 |
| LG Chem, Ltd. | 17937 |
1 |
| ExxonMobil Chemical Patents Inc. | 3773 |
1 |
| Dai Nippon Printing Co., Ltd. | 4247 |
1 |
| DSM IP Assets B.V. | 5385 |
1 |
| a et a Mader | 27 |
1 |
| Akzo Nobel N.V. | 146 |
1 |
| Arkema France | 4249 |
1 |
| Arkema Inc. | 1061 |
1 |
| Borealis AG | 2739 |
1 |
| Carnegie Mellon University | 1635 |
1 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 577 |
1 |
| DSM Fine Chemicals Austria NFG GmbH & Co KG | 16 |
1 |
| GC Corporation | 462 |
1 |
| Hanwha Chemical Corporation | 307 |
1 |
| INSIGHT HIGH TECHNOLOGY Co., Ltd | 10 |
1 |
| Other owners | 13 |