- All sections
- C - Chemistry; metallurgy
- 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: 461
10-year publication summary
56
|
41
|
28
|
29
|
20
|
35
|
28
|
28
|
19
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
BP p.l.c. | 498 |
21 |
E. I. du Pont de Nemours and Company | 4345 |
17 |
BASF SE | 19740 |
11 |
Dow Global Technologies LLC | 10147 |
11 |
BP Chemicals Limited | 112 |
11 |
BP (China) Holdings Limited | 34 |
11 |
ExxonMobil Research And Engineering Company | 2830 |
10 |
China Petroleum & Chemical Corporation | 1623 |
10 |
INEOS Acetyls UK Limited | 57 |
9 |
University of Southern California | 2016 |
8 |
Enerkem Inc. | 83 |
8 |
Research Institute of Petroleum Processing, Sinopec | 387 |
8 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
7 |
Gas Technologies LLC | 60 |
6 |
Linde GmbH | 1122 |
6 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
5 |
ExxonMobil Chemical Patents Inc. | 4286 |
5 |
Council of Scientific & Industrial Research | 1397 |
5 |
Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 614 |
5 |
IFP Energies Nouvelles | 2717 |
5 |
Other owners | 282 |