- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/69 - Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to acyclic carbon atoms of a carbon skeleton substituted by nitrogen atoms, not being part of nitro or nitroso groups
Patent holdings for IPC class C07C 309/69
Total number of patents in this class: 41
10-year publication summary
|
10
|
6
|
7
|
2
|
1
|
1
|
3
|
0
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Quadriga Biosciences, Inc. | 22 |
10 |
| Stepan Company | 574 |
4 |
| International Business Machines Corporation | 61734 |
3 |
| Central Glass Company, Limited | 1272 |
3 |
| Instituto Mexicano Del Petroleo | 224 |
3 |
| Convert Pharmaceuticals SA | 5 |
3 |
| Chevron U.S.A. Inc. | 4014 |
2 |
| Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences | 65 |
2 |
| University of South Alabama | 126 |
2 |
| Translate bio, Inc. | 414 |
2 |
| JSR Corporation | 2537 |
1 |
| ChemoCentryx, Inc. | 378 |
1 |
| Research Foundation of the City University of New York | 423 |
1 |
| Rhodia Operations | 1578 |
1 |
| Tyco Fire Products LP | 860 |
1 |
| Global Life Sciences Solutions Canada ULC | 49 |
1 |
| Scindy Pharmaceutical (Suzhou) Co., Ltd | 3 |
1 |
| Other owners | 0 |