- All sections
- C - Chemistrymetallurgy
- 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: 600
10-year publication summary
|
37
|
38
|
54
|
45
|
45
|
29
|
20
|
19
|
27
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arkema France | 4242 |
124 |
| Solstice Advanced Materials US, Inc. | 961 |
76 |
| Daikin Industries, Ltd. | 10499 |
69 |
| The Chemours Company Fc, LLC | 1341 |
66 |
| Honeywell International Inc. | 12778 |
42 |
| Central Glass Company, Limited | 1293 |
20 |
| Mexichem Amanco Holding S.A. de C.V. | 115 |
20 |
| Zhejiang Quhua Fluor-Chemistry Co., Ltd. | 41 |
17 |
| Arkema Inc. | 1061 |
13 |
| Sinochem Lantian Co., Ltd. | 74 |
10 |
| Mexichem Fluor, Sociedad Anonima de Capital Variable | 204 |
9 |
| Xi'an Modern Chemistry Research Institute | 28 |
9 |
| E. I. du Pont de Nemours and Company | 3534 |
8 |
| Sinochem Modern Environmental Protection Chemicals (Xi'an) Co., Ltd. | 9 |
6 |
| Dow Global Technologies LLC | 10944 |
5 |
| Kanto Denka Kogyo Co., Ltd. | 143 |
5 |
| Zeon Corporation | 4147 |
5 |
| Fujian Yongjing Technology Co., Ltd | 42 |
5 |
| Resonac Corporation | 3530 |
5 |
| Showa Denko K.K. | 2069 |
4 |
| Other owners | 82 |