- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 41/09 - Preparation of ethers by dehydration of compounds containing hydroxy groups
Patent holdings for IPC class C07C 41/09
Total number of patents in this class: 471
10-year publication summary
|
37
|
28
|
28
|
17
|
34
|
27
|
25
|
19
|
20
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BP p.l.c. | 520 |
19 |
| E. I. du Pont de Nemours and Company | 3885 |
16 |
| BASF SE | 21098 |
15 |
| Dow Global Technologies LLC | 10571 |
11 |
| BP Chemicals Limited | 82 |
11 |
| China Petroleum & Chemical Corporation | 1955 |
11 |
| BP (China) Holdings Limited | 39 |
10 |
| ExxonMobil Research And Engineering Company | 2537 |
9 |
| INEOS Acetyls UK Limited | 55 |
9 |
| University of Southern California | 2125 |
8 |
| Enerkem Inc. | 87 |
8 |
| Research Institute of Petroleum Processing, Sinopec | 369 |
8 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4000 |
7 |
| Petroleo Brasileiro S.A. - Petrobras | 886 |
6 |
| Linde GmbH | 1288 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8900 |
5 |
| ExxonMobil Chemical Patents Inc. | 3942 |
5 |
| IFP Energies Nouvelles | 2983 |
5 |
| Lurgi GmbH | 97 |
5 |
| Rhodia Operations | 1553 |
5 |
| Other owners | 292 |