- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/17 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing carboxyl groups bound to the carbon skeleton
Patent holdings for IPC class C07C 309/17
Total number of patents in this class: 184
10-year publication summary
|
16
|
8
|
25
|
6
|
4
|
20
|
9
|
11
|
6
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29586 |
36 |
| Sumitomo Chemical Company, Limited | 9047 |
28 |
| JSR Corporation | 2530 |
24 |
| Lion Corporation | 741 |
13 |
| Tokyo Ohka Kogyo Co., Ltd. | 1550 |
10 |
| DuPont Electronic Materials International, LLC | 429 |
7 |
| Merck Patent GmbH | 5768 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 5687 |
6 |
| Kao Corporation | 4982 |
5 |
| Stepan Company | 580 |
5 |
| L. Brüggemann GmbH & Co. KG. | 51 |
4 |
| Cognis IP Management GmbH | 629 |
3 |
| Cytec Industries Inc. | 404 |
3 |
| Sutter Bay Hospitals | 16 |
3 |
| BASF SE | 20991 |
2 |
| Indiana University Research and Technology Corporation | 801 |
2 |
| Les solutions zéro déchet Fillgood Inc. | 8 |
2 |
| Samsung Electronics Co., Ltd. | 147622 |
1 |
| Halliburton Energy Services, Inc. | 20946 |
1 |
| E. I. du Pont de Nemours and Company | 4000 |
1 |
| Other owners | 22 |