- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 65/22 - Cyclic ethers having at least one atom other than carbon and hydrogen outside the ring
Patent holdings for IPC class C08G 65/22
Total number of patents in this class: 303
10-year publication summary
|
22
|
30
|
27
|
20
|
14
|
23
|
20
|
30
|
11
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Resonac Corporation | 3530 |
11 |
| Daikin Industries, Ltd. | 10499 |
10 |
| HRL Laboratories, LLC | 1631 |
9 |
| Dow Global Technologies LLC | 10944 |
8 |
| 3m Innovative Properties Company | 17478 |
7 |
| Evonik Degussa GmbH | 1379 |
7 |
| Shin-Etsu Chemical Co., Ltd. | 6096 |
7 |
| FUJIFILM Corporation | 30514 |
6 |
| Ethox Chemicals, LLC | 103 |
6 |
| Vanderbilt University | 2022 |
6 |
| Rohm and Haas Company | 2951 |
5 |
| freie Universitat Berlin | 136 |
5 |
| Hubei Gurun Technology Co., Ltd | 48 |
5 |
| Aculon, Inc. | 71 |
4 |
| BYK-Chemie GmbH | 447 |
4 |
| Daicel Corporation | 2523 |
4 |
| Johannes Gutenberg-universitat Mainz | 133 |
4 |
| Shiseido Company, Ltd. | 4259 |
4 |
| The Trustees of Princeton University | 1263 |
4 |
| Changzhou Tronly Advanced Electronic Materials Co., Ltd. | 88 |
3 |
| Other owners | 184 |