- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/18 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing carboxyl groups bound to the carbon skeleton containing amino groups bound to the same carbon skeleton
Patent holdings for IPC class C07C 309/18
Total number of patents in this class: 39
10-year publication summary
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4
|
4
|
0
|
2
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4
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3
|
2
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1
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2
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BELLUS Health Inc. | 10 |
5 |
| Alkermes Pharma Ireland Limited | 254 |
2 |
| Eastman Chemical Company | 2109 |
2 |
| Indiana University Research and Technology Corporation | 779 |
2 |
| POLA Chemical Industries Inc. | 71 |
2 |
| Shanghai Institute of Pharmaceutical Industry | 125 |
2 |
| Tokuyama Corporation | 1508 |
2 |
| L'OREAL, Société Anonyme | 16636 |
1 |
| Johnson & Johnson Vision Care, Inc. | 1154 |
1 |
| Halliburton Energy Services, Inc. | 21300 |
1 |
| JSR Corporation | 2538 |
1 |
| Ardenia Investments, Ltd. | 9 |
1 |
| Carnegie Mellon University | 1656 |
1 |
| Case Western Reserve University | 1909 |
1 |
| Daiichi Sankyo Company, Limited | 1896 |
1 |
| Kent State University | 234 |
1 |
| Kyushu University, National University Corporation | 1740 |
1 |
| Micro Labs Limited | 36 |
1 |
| Nippon Shokubai Co., Ltd. | 1528 |
1 |
| Novabay Pharmaceuticals, Inc. | 26 |
1 |
| Other owners | 9 |