- 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: 34
10-year publication summary
|
1
|
1
|
5
|
2
|
3
|
4
|
1
|
7
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celanese Sales Germany GmbH | 129 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3599 |
3 |
| Massachusetts Institute of Technology | 10204 |
2 |
| Henkel AG & Co. KGaA | 10703 |
2 |
| Contemporary Amperex Technology Co., Limited | 9293 |
2 |
| South China University of Technology | 1873 |
2 |
| Sun Chemical Corporation | 817 |
2 |
| Wacker Chemie AG | 2103 |
2 |
| BASF SE | 21165 |
1 |
| Bayer MaterialScience AG | 716 |
1 |
| GM Global Technology Operations LLC | 15941 |
1 |
| Idemitsu Kosan Co., Ltd. | 4213 |
1 |
| Airgas, Inc. | 149 |
1 |
| Cornell University | 3400 |
1 |
| Denka Company Limited | 2710 |
1 |
| Kolon Plastics, Inc. | 54 |
1 |
| Polyplastics Co., Ltd. | 627 |
1 |
| Saudi Arabian Oil Company | 13956 |
1 |
| Shenzhen University | 1712 |
1 |
| Teijin Limited | 1274 |
1 |
| Other owners | 4 |