- 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
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3
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0
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3
|
1
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1
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2
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2
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0
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1
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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 | 277 |
8 |
| Dow Global Technologies LLC | 10742 |
3 |
| BASF SE | 21131 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3493 |
2 |
| Shell Oil Company | 2111 |
2 |
| Council of Scientific and Industrial Research | 592 |
2 |
| Bayer MaterialScience AG | 754 |
1 |
| Sumitomo Chemical Company, Limited | 9057 |
1 |
| Idemitsu Kosan Co., Ltd. | 4223 |
1 |
| Changzhou Tronly Advanced Electronic Materials Co., Ltd. | 84 |
1 |
| Changzhou Tronly New Electronic Materials Co.,Ltd. | 82 |
1 |
| China Petroleum & Chemical Corporation | 2015 |
1 |
| Council of Scientific & Industrial Research | 1435 |
1 |
| Ehrfeld Mikrotechnik BTS GmbH | 11 |
1 |
| Kuraray Co., Ltd. | 3563 |
1 |
| Laboratorios Del Dr. Esteve, S.A. | 153 |
1 |
| P2 Science, Inc. | 112 |
1 |
| Shanghai Institute of Pharmaceutical Industry | 127 |
1 |
| Shiseido Company, Ltd. | 4198 |
1 |
| Southern Research Institute | 208 |
1 |
| Other owners | 6 |