- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 41/01 - Preparation of ethers
Patent holdings for IPC class C07C 41/01
Total number of patents in this class: 421
10-year publication summary
|
48
|
25
|
23
|
29
|
35
|
29
|
22
|
22
|
15
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10571 |
16 |
| BASF SE | 21098 |
14 |
| Linde Aktiengesellschaft | 1483 |
13 |
| ExxonMobil Research And Engineering Company | 2537 |
9 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2393 |
7 |
| Versalis S.P.A. | 547 |
7 |
| The Board of Trustees of the University of Illinois | 2724 |
6 |
| University of Southern California | 2125 |
6 |
| Enerkem Inc. | 87 |
6 |
| Daikin Industries, Ltd. | 10174 |
5 |
| Central Glass Company, Limited | 1273 |
5 |
| Linde GmbH | 1288 |
5 |
| ExxonMobil Technology and Engineering Company | 1176 |
5 |
| Centre National de La Recherche Scientifique | 10706 |
4 |
| Alliance for Sustainable Energy, LLC | 831 |
4 |
| Celanese International Corporation | 914 |
4 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1569 |
4 |
| SABIC Global Technologies B.V. | 4405 |
4 |
| Sulzer Management AG | 685 |
4 |
| Haldor Topsøe A/S | 641 |
4 |
| Other owners | 289 |