- 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: 213
10-year publication summary
|
8
|
26
|
6
|
4
|
20
|
9
|
12
|
6
|
17
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30516 |
40 |
| JSR Corporation | 2558 |
38 |
| Sumitomo Chemical Company, Limited | 8968 |
29 |
| Lion Corporation | 737 |
12 |
| Tokyo Ohka Kogyo Co., Ltd. | 1563 |
12 |
| Shin-Etsu Chemical Co., Ltd. | 6109 |
7 |
| DuPont Electronic Materials International, LLC | 427 |
7 |
| Jicc-02 Co., Ltd. | 275 |
7 |
| Merck Patent GmbH | 5729 |
6 |
| Kao Corporation | 5076 |
5 |
| L. Brüggemann GmbH & Co. KG. | 49 |
5 |
| Stepan Company | 566 |
4 |
| Cognis IP Management GmbH | 546 |
3 |
| Sutter Bay Hospitals | 17 |
3 |
| BASF SE | 21308 |
2 |
| Indiana University Research and Technology Corporation | 783 |
2 |
| Les solutions zéro déchet Fillgood Inc. | 8 |
2 |
| ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 186 |
2 |
| Samsung Electronics Co., Ltd. | 157946 |
1 |
| Halliburton Energy Services, Inc. | 21320 |
1 |
| Other owners | 25 |