- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/20 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic unsaturated carbon skeleton
Patent holdings for IPC class C07C 309/20
Total number of patents in this class: 69
10-year publication summary
|
9
|
7
|
3
|
5
|
0
|
0
|
6
|
1
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kao Corporation | 5112 |
19 |
| Shin-Etsu Chemical Co., Ltd. | 6157 |
5 |
| Stepan Company | 567 |
4 |
| Chevron Oronite Company LLC | 605 |
3 |
| Lumos Pharma, Inc. | 29 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3378 |
2 |
| Genentech, Inc. | 4157 |
2 |
| Shell Oil Company | 2054 |
2 |
| Asahi Kasei Finechem Co., Ltd. | 11 |
2 |
| Chiesi Farmaceutici S.p.A. | 953 |
2 |
| DuPont Electronic Materials International, LLC | 431 |
2 |
| The Procter & Gamble Company | 21887 |
1 |
| BASF SE | 21334 |
1 |
| Sumitomo Chemical Company, Limited | 8992 |
1 |
| Uop LLC | 4407 |
1 |
| Dow Global Technologies LLC | 11072 |
1 |
| Wako Pure Chemical Industries, Ltd. | 114 |
1 |
| Aldeyra Therapeutics, Inc. | 101 |
1 |
| Arkema Inc. | 1060 |
1 |
| China National Petroleum Corporation | 646 |
1 |
| Other owners | 14 |