- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 214/28 - Hexafluoropropene
Patent holdings for IPC class C08F 214/28
Total number of patents in this class: 183
10-year publication summary
|
10
|
8
|
12
|
12
|
8
|
15
|
21
|
24
|
11
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 10169 |
58 |
| 3m Innovative Properties Company | 17653 |
21 |
| E. I. du Pont de Nemours and Company | 3829 |
12 |
| Agc, Inc. | 5057 |
10 |
| Solvay Specialty Polymers Italy S.p.A. | 721 |
7 |
| Kureha Corporation | 1040 |
6 |
| CNPC USA Corp. | 169 |
4 |
| Beijing Huamei, Inc. | 119 |
4 |
| China National Petroleum Corporation | 479 |
3 |
| Contemporary Amperex Technology Co., Limited | 7901 |
3 |
| Korea Research Institute of Chemical Technology | 1419 |
3 |
| Zhonghao Chenguang Research Institute of Chemical Industry Company Limited | 38 |
3 |
| DuPont Specialty Products USA, LLC | 113 |
3 |
| Daikin America, Inc. | 60 |
2 |
| The Chemours Company Fc, LLC | 1274 |
2 |
| DuPont Performance Elastomers LLC | 39 |
2 |
| Kyoto University | 2856 |
2 |
| AGC Chemicals Europe, Limited | 9 |
2 |
| Sumitomo Electric Industries, Ltd. | 15823 |
1 |
| FUJIFILM Corporation | 29871 |
1 |
| Other owners | 34 |