- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 41/02 - Preparation of ethers from oxiranes
Patent holdings for IPC class C07C 41/02
Total number of patents in this class: 39
10-year publication summary
|
3
|
0
|
3
|
1
|
1
|
3
|
2
|
0
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Technology Investments LLC | 280 |
8 |
| Dow Global Technologies LLC | 10845 |
3 |
| BASF SE | 21165 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3437 |
2 |
| Shell Oil Company | 2083 |
2 |
| Council of Scientific and Industrial Research | 580 |
2 |
| Bayer MaterialScience AG | 716 |
1 |
| Sumitomo Chemical Company, Limited | 9015 |
1 |
| Idemitsu Kosan Co., Ltd. | 4213 |
1 |
| Changzhou Tronly Advanced Electronic Materials Co., Ltd. | 86 |
1 |
| Changzhou Tronly New Electronic Materials Co.,Ltd. | 83 |
1 |
| China Petroleum & Chemical Corporation | 2095 |
1 |
| Council of Scientific & Industrial Research | 1435 |
1 |
| Ehrfeld Mikrotechnik BTS GmbH | 11 |
1 |
| Kuraray Co., Ltd. | 3581 |
1 |
| Laboratorios Del Dr. Esteve, S.A. | 148 |
1 |
| P2 Science, Inc. | 109 |
1 |
| Shanghai Institute of Pharmaceutical Industry | 127 |
1 |
| Shiseido Company, Ltd. | 4223 |
1 |
| Southern Research Institute | 205 |
1 |
| Other owners | 6 |