- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 63/48 - Polycyclic acids with carboxyl groups bound to condensed ring systems containing three or more rings containing three or more carboxyl groups all bound to carbon atoms of the condensed ring system
Patent holdings for IPC class C07C 63/48
Total number of patents in this class: 3
10-year publication summary
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1
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0
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1
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0
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0
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0
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0
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of Michigan | 4739 |
1 |
| Mainstream Engineering Corporation | 153 |
1 |
| Oil Refineries Ltd. | 2 |
1 |
| Other owners | 0 |