- All sections
- C - Chemistry; metallurgy
- 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: 31
10-year publication summary
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1
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4
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1
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1
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5
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2
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3
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4
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1
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2
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celanese Sales Germany GmbH | 144 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
3 |
| Massachusetts Institute of Technology | 9795 |
2 |
| Henkel AG & Co. KGaA | 10129 |
2 |
| South China University of Technology | 1581 |
2 |
| Sun Chemical Corporation | 865 |
2 |
| BASF SE | 19740 |
1 |
| Bayer MaterialScience AG | 874 |
1 |
| GM Global Technology Operations LLC | 13620 |
1 |
| Medtronic, Inc. | 9964 |
1 |
| Idemitsu Kosan Co., Ltd. | 3995 |
1 |
| Mitsubishi Chemical Corporation | 4313 |
1 |
| Airgas, Inc. | 140 |
1 |
| Cornell University | 3036 |
1 |
| Denka Company Limited | 2189 |
1 |
| Kolon Plastics, Inc. | 69 |
1 |
| Saudi Arabian Oil Company | 11322 |
1 |
| Teijin Limited | 1216 |
1 |
| Unimatec Co., Ltd. | 216 |
1 |
| United States of America AS represented by The Administrator of NASA | 364 |
1 |
| Other owners | 3 |