- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 41/30 - Preparation of ethers by reactions not forming ether-oxygen bonds by increasing the number of carbon atoms, e.g. by oligomerisation
Patent holdings for IPC class C07C 41/30
Total number of patents in this class: 358
10-year publication summary
|
29
|
28
|
26
|
22
|
24
|
23
|
13
|
16
|
17
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 6143 |
9 |
| Agc, Inc. | 5634 |
9 |
| Centre National de La Recherche Scientifique | 11111 |
8 |
| National University Corporation Hokkaido University | 1385 |
8 |
| Daikin Industries, Ltd. | 10514 |
7 |
| National University Corporation Nagoya University | 779 |
7 |
| The Trustees of Boston College | 204 |
7 |
| Sumitomo Chemical Company, Limited | 8965 |
6 |
| Florida State University Research Foundation, Inc. | 857 |
6 |
| Massachusetts Institute of Technology | 10305 |
5 |
| Mitsubishi Gas Chemical Company, Inc. | 3643 |
5 |
| ExxonMobil Chemical Patents Inc. | 3762 |
4 |
| The Board of Trustees of the University of Illinois | 2754 |
4 |
| Kappa Bioscience AS | 41 |
4 |
| Osaka University | 3257 |
4 |
| Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences | 198 |
4 |
| Zhejiang Ausun Pharmaceutical Co., Ltd. | 45 |
4 |
| Universite Paris-Sud, a corporation of France | 313 |
4 |
| 3m Innovative Properties Company | 17455 |
3 |
| DSM IP Assets B.V. | 5387 |
3 |
| Other owners | 247 |