- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 65/16 - Cyclic ethers having four or more ring atoms
Patent holdings for IPC class C08G 65/16
Total number of patents in this class: 37
10-year publication summary
|
4
|
1
|
1
|
5
|
2
|
3
|
4
|
1
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7
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celanese Sales Germany GmbH | 131 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3465 |
3 |
| Massachusetts Institute of Technology | 10055 |
2 |
| Henkel AG & Co. KGaA | 10574 |
2 |
| Contemporary Amperex Technology Co., Limited | 6643 |
2 |
| South China University of Technology | 1787 |
2 |
| Sun Chemical Corporation | 836 |
2 |
| Wacker Chemie AG | 2106 |
2 |
| BASF SE | 20915 |
1 |
| Bayer MaterialScience AG | 800 |
1 |
| GM Global Technology Operations LLC | 15062 |
1 |
| Medtronic, Inc. | 9812 |
1 |
| Idemitsu Kosan Co., Ltd. | 4220 |
1 |
| Mitsubishi Chemical Corporation | 4514 |
1 |
| Airgas, Inc. | 148 |
1 |
| Cornell University | 3309 |
1 |
| Denka Company Limited | 2580 |
1 |
| Kolon Plastics, Inc. | 62 |
1 |
| Polyplastics Co., Ltd. | 604 |
1 |
| Saudi Arabian Oil Company | 13185 |
1 |
| Other owners | 7 |