- 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: 178
10-year publication summary
|
10
|
8
|
12
|
12
|
8
|
15
|
21
|
24
|
11
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 10016 |
58 |
| 3m Innovative Properties Company | 17819 |
21 |
| E. I. du Pont de Nemours and Company | 4058 |
12 |
| Agc, Inc. | 4861 |
9 |
| Solvay Specialty Polymers Italy S.p.A. | 759 |
7 |
| Kureha Corporation | 1027 |
6 |
| DuPont Polymers, Inc. | 258 |
4 |
| CNPC USA Corp. | 157 |
3 |
| Contemporary Amperex Technology Co., Limited | 6732 |
3 |
| Korea Research Institute of Chemical Technology | 1390 |
3 |
| Zhonghao Chenguang Research Institute of Chemical Industry Company Limited | 37 |
3 |
| Beijing Huamei, Inc. | 106 |
3 |
| Daikin America, Inc. | 58 |
2 |
| The Chemours Company Fc, LLC | 1236 |
2 |
| China National Petroleum Corporation | 450 |
2 |
| DuPont Performance Elastomers LLC | 44 |
2 |
| Kyoto University | 2802 |
2 |
| AGC Chemicals Europe, Limited | 9 |
2 |
| Sumitomo Electric Industries, Ltd. | 15511 |
1 |
| FUJIFILM Corporation | 29424 |
1 |
| Other owners | 32 |