- 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: 470
10-year publication summary
|
28
|
29
|
20
|
35
|
28
|
28
|
19
|
21
|
19
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BP p.l.c. | 539 |
19 |
| BASF SE | 21313 |
17 |
| E. I. du Pont de Nemours and Company | 3553 |
12 |
| Dow Global Technologies LLC | 10919 |
11 |
| BP Chemicals Limited | 71 |
11 |
| China Petroleum & Chemical Corporation | 2142 |
11 |
| BP (China) Holdings Limited | 41 |
10 |
| ExxonMobil Research And Engineering Company | 2433 |
9 |
| INEOS Acetyls UK Limited | 53 |
9 |
| Enerkem Inc. | 88 |
8 |
| Research Institute of Petroleum Processing, Sinopec | 363 |
8 |
| University of Southern California | 2128 |
7 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4113 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 9099 |
5 |
| ExxonMobil Chemical Patents Inc. | 3793 |
5 |
| IFP Energies Nouvelles | 3098 |
5 |
| Lurgi GmbH | 94 |
5 |
| Petroleo Brasileiro S.A. - Petrobras | 962 |
5 |
| Rhodia Operations | 1499 |
5 |
| Total Research & Technology Feluy | 439 |
5 |
| Other owners | 296 |