- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 6/28 - Purification
Patent holdings for IPC class C08F 6/28
Total number of patents in this class: 105
10-year publication summary
|
11
|
4
|
11
|
4
|
12
|
5
|
6
|
6
|
7
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Holdings Intellectual Properties, LLC | 68 |
11 |
| LG Chem, Ltd. | 17950 |
7 |
| Kuraray Co., Ltd. | 3601 |
7 |
| BASF SE | 21306 |
6 |
| Borealis AG | 2740 |
5 |
| ExxonMobil Chemical Patents Inc. | 3768 |
4 |
| E. I. du Pont de Nemours and Company | 3486 |
3 |
| Bayer MaterialScience AG | 704 |
3 |
| Chevron Phillips Chemical Company LP | 1862 |
3 |
| GALACTIC S.A. | 14 |
3 |
| NOVA Chemicals (International) S.A. | 798 |
3 |
| Daikin Industries, Ltd. | 10502 |
2 |
| The Chemours Company Fc, LLC | 1348 |
2 |
| Inhance Technologies LLC | 13 |
2 |
| Lummus Novolen Technology GmbH | 76 |
2 |
| Zeppelin Systems GmbH | 55 |
2 |
| Shin-Etsu PVC B.V. | 4 |
2 |
| The Procter & Gamble Company | 21852 |
1 |
| 3m Innovative Properties Company | 17458 |
1 |
| Xerox Corporation | 4386 |
1 |
| Other owners | 35 |