- All sections
- C - Chemistry; metallurgy
- 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: 283
10-year publication summary
|
24
|
21
|
22
|
30
|
27
|
20
|
13
|
22
|
18
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 9495 |
11 |
| 3m Innovative Properties Company | 18406 |
10 |
| HRL Laboratories, LLC | 1588 |
9 |
| Evonik Degussa GmbH | 1574 |
8 |
| Dow Global Technologies LLC | 10147 |
8 |
| Resonac Corporation | 2233 |
7 |
| FUJIFILM Corporation | 27102 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
6 |
| Ethox Chemicals, LLC | 95 |
6 |
| Vanderbilt University | 1731 |
6 |
| Rohm and Haas Company | 2805 |
5 |
| BYK-Chemie GmbH | 437 |
4 |
| The Trustees of Princeton University | 1129 |
4 |
| freie Universitat Berlin | 136 |
4 |
| Hubei Gurun Technology Co., Ltd | 26 |
4 |
| International Business Machines Corporation | 60644 |
3 |
| Changzhou Tronly Advanced Electronic Materials Co., Ltd. | 67 |
3 |
| Changzhou Tronly New Electronic Materials Co.,Ltd. | 66 |
3 |
| The Chemours Company Fc, LLC | 1107 |
3 |
| Daicel Corporation | 2128 |
3 |
| Other owners | 170 |