- 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
|
28
|
23
|
32
|
40
|
30
|
26
|
23
|
17
|
14
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 11051 |
16 |
| BASF SE | 21318 |
14 |
| Linde Aktiengesellschaft | 1411 |
11 |
| ExxonMobil Research And Engineering Company | 2391 |
9 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2461 |
9 |
| Versalis S.P.A. | 529 |
7 |
| The Board of Trustees of the University of Illinois | 2752 |
6 |
| Enerkem Inc. | 91 |
6 |
| Daikin Industries, Ltd. | 10527 |
5 |
| Chevron U.S.A. Inc. | 4175 |
5 |
| Central Glass Company, Limited | 1297 |
5 |
| Linde GmbH | 1382 |
5 |
| ExxonMobil Technology and Engineering Company | 1416 |
5 |
| Topsoe A/S | 1074 |
5 |
| University of Southern California | 2149 |
4 |
| Celanese International Corporation | 912 |
4 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1621 |
4 |
| SABIC Global Technologies B.V. | 4629 |
4 |
| Sulzer Management AG | 716 |
4 |
| Haldor Topsøe A/S | 629 |
4 |
| Other owners | 289 |