- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 63/331 - Polycyclic acids with all carboxyl groups bound to non-condensed rings
Patent holdings for IPC class C07C 63/331
Total number of patents in this class: 67
10-year publication summary
|
4
|
7
|
8
|
5
|
6
|
4
|
8
|
5
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyoto University | 2878 |
5 |
| Sumitomo Chemical Company, Limited | 9051 |
4 |
| The Regents of the University of California | 20410 |
3 |
| The University of Queensland | 670 |
3 |
| Ozchela Inc. | 4 |
3 |
| ExxonMobil Chemical Patents Inc. | 3889 |
2 |
| The Board of Trustees of the University of Illinois | 2737 |
2 |
| Foundation of Soongsil University-Industry Cooperation | 448 |
2 |
| Nippon Soda Co., Ltd. | 887 |
2 |
| Rikkyo Educational Corporation | 16 |
2 |
| Rush University Medical Center | 306 |
2 |
| University of Central Florida Research Foundation, Inc. | 1228 |
2 |
| Centre National de La Recherche Scientifique | 10812 |
1 |
| Tokyo Electron Limited | 13410 |
1 |
| Uop LLC | 4275 |
1 |
| Daikin Industries, Ltd. | 10223 |
1 |
| DSM IP Assets B.V. | 5456 |
1 |
| The Regents of the University of Michigan | 4851 |
1 |
| Idemitsu Kosan Co., Ltd. | 4229 |
1 |
| President and Fellows of Harvard College | 6054 |
1 |
| Other owners | 27 |