- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/03 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
Patent holdings for IPC class C07C 309/03
Total number of patents in this class: 18
10-year publication summary
|
0
|
1
|
3
|
0
|
0
|
2
|
1
|
0
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Board of Regents, The University of Texas System | 5808 |
2 |
| JSR Corporation | 2527 |
2 |
| Harcros Chemicals Inc. | 32 |
2 |
| The Procter & Gamble Company | 22043 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5669 |
1 |
| Wisconsin Alumni Research Foundation | 3894 |
1 |
| Arkema France | 4154 |
1 |
| The Cleveland Clinic Foundation | 1571 |
1 |
| Gicare Pharma Inc. | 1 |
1 |
| Hunan ASTAR Biotechnology Ltd. | 1 |
1 |
| Universitat Zurich | 648 |
1 |
| University of Kansas | 875 |
1 |
| Actera Ingredients, Inc. | 15 |
1 |
| Ultimate EOR Services, LLC | 10 |
1 |
| DuPont Electronic Materials International, LLC | 429 |
1 |
| Other owners | 0 |