- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 17/20 - Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
Patent holdings for IPC class C07C 17/20
Total number of patents in this class: 581
10-year publication summary
|
46
|
59
|
37
|
38
|
54
|
45
|
45
|
28
|
19
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arkema France | 3790 |
127 |
| Honeywell International Inc. | 13799 |
119 |
| Daikin Industries, Ltd. | 9495 |
66 |
| The Chemours Company Fc, LLC | 1107 |
44 |
| Mexichem Amanco Holding S.A. de C.V. | 126 |
20 |
| Central Glass Company, Limited | 1244 |
18 |
| Zhejiang Quhua Fluor-Chemistry Co., Ltd. | 36 |
15 |
| Arkema Inc. | 1075 |
14 |
| E. I. du Pont de Nemours and Company | 4345 |
11 |
| Sinochem Lantian Co., Ltd. | 55 |
10 |
| Mexichem Fluor, Sociedad Anonima de Capital Variable | 200 |
9 |
| Xi'an Modern Chemistry Research Institute | 26 |
9 |
| Showa Denko K.K. | 2539 |
7 |
| Sinochem Modern Environmental Protection Chemicals (Xi'an) Co., Ltd. | 9 |
6 |
| Dow Global Technologies LLC | 10147 |
5 |
| INEOS Fluor Holdings Limited | 21 |
5 |
| Zeon Corporation | 3854 |
5 |
| Fujian Yongjing Technology Co., Ltd | 43 |
5 |
| Great Lakes Chemical Corporation | 36 |
4 |
| Zhejiang Lantian Environmental Protection Hi-Tech Co. Ltd. | 24 |
4 |
| Other owners | 78 |