- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/14 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton
Patent holdings for IPC class C07C 309/14
Total number of patents in this class: 237
10-year publication summary
|
20
|
22
|
18
|
23
|
22
|
15
|
11
|
5
|
10
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Libre Holdings, Inc. | 45 |
11 |
| Eastman Chemical Company | 2087 |
9 |
| Advansix Resins & Chemicals LLC | 307 |
8 |
| Risen (Suzhou) Pharma Tech Co., Ltd. | 73 |
7 |
| Zhejiang Nhu Pharmaceutical Co., Ltd. | 16 |
7 |
| Tpat IP LLC | 24 |
6 |
| Zhejiang Nhu Company Limited | 194 |
6 |
| Shangyu Nhu Bio-Chem Co., Ltd. | 16 |
6 |
| FUJIFILM Corporation | 30514 |
5 |
| Promega Corporation | 589 |
5 |
| The Board of Regents of the University of Texas System | 2296 |
5 |
| GRI bio, Inc. | 17 |
5 |
| Archer Daniels Midland Company | 1075 |
4 |
| IFP Energies Nouvelles | 3098 |
4 |
| The University of Melbourne | 569 |
4 |
| Hubei Grand Life Science and Technology Co., Ltd | 10 |
4 |
| The Regents of the University of California | 20745 |
3 |
| AGC Seimi Chemical Co., Ltd. | 53 |
3 |
| Biogen MA Inc. | 938 |
3 |
| Shenzhen University | 1726 |
3 |
| Other owners | 129 |