- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/38 - Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton of six-membered aromatic rings being part of condensed ring systems formed by at least three rings
Patent holdings for IPC class C07C 309/38
Total number of patents in this class: 11
10-year publication summary
|
0
|
1
|
0
|
2
|
1
|
1
|
0
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29399 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5662 |
1 |
| Battelle Memorial Institute | 2485 |
1 |
| Council of Scientific & Industrial Research | 1425 |
1 |
| Innospec Limited | 338 |
1 |
| National University Corporation Nagoya University | 856 |
1 |
| New York University | 1750 |
1 |
| Organo Corporation | 468 |
1 |
| Sachem, Inc. | 72 |
1 |
| Sagami Chemical Research Institute | 89 |
1 |
| Cmblu Energy AG | 52 |
1 |
| Other owners | 0 |