- 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: 38
10-year publication summary
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3
|
0
|
3
|
1
|
1
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3
|
2
|
0
|
1
|
1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Technology Investments LLC | 279 |
8 |
| Dow Global Technologies LLC | 11029 |
3 |
| BASF SE | 21328 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3387 |
2 |
| Shell Oil Company | 2068 |
2 |
| Council of Scientific and Industrial Research | 596 |
2 |
| Bayer MaterialScience AG | 703 |
1 |
| Sumitomo Chemical Company, Limited | 8967 |
1 |
| Idemitsu Kosan Co., Ltd. | 4269 |
1 |
| Changzhou Tronly Advanced Electronic Materials Co., Ltd. | 89 |
1 |
| Changzhou Tronly New Electronic Materials Co.,Ltd. | 87 |
1 |
| China Petroleum & Chemical Corporation | 2173 |
1 |
| Council of Scientific & Industrial Research | 1447 |
1 |
| Ehrfeld Mikrotechnik BTS GmbH | 11 |
1 |
| Kuraray Co., Ltd. | 3600 |
1 |
| Laboratorios Del Dr. Esteve, S.A. | 143 |
1 |
| P2 Science, Inc. | 112 |
1 |
| Shanghai Institute of Pharmaceutical Industry | 127 |
1 |
| Southern Research Institute | 203 |
1 |
| Sino-japan Chemical Co., Ltd. | 1 |
1 |
| Other owners | 5 |