- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 43/257 - Ethers having an ether-oxygen atom bound to carbon atoms both belonging to six-membered aromatic rings
Patent holdings for IPC class C07C 43/257
Total number of patents in this class: 15
10-year publication summary
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1
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2
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2
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1
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1
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0
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0
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0
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2
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30653 |
2 |
| Board of Regents, The University of Texas System | 6161 |
2 |
| University of Florida Research Foundation, Inc. | 4194 |
2 |
| Baylor University | 383 |
1 |
| Betta Pharmaceuticals Co., Ltd. | 179 |
1 |
| Ceramatec, Inc. | 129 |
1 |
| Evonik Technochemie GmbH | 12 |
1 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1688 |
1 |
| Mitsubishi Gas Chemical Company, Inc. | 3640 |
1 |
| Peloton Therapeutics, Inc. | 38 |
1 |
| FUJIFILM Wako Pure Chemical Corporation | 192 |
1 |
| Evonik Operations GmbH | 4404 |
1 |
| Other owners | 0 |