- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/04 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing only one sulfo group
Patent holdings for IPC class C07C 309/04
Total number of patents in this class: 336
10-year publication summary
|
22
|
36
|
30
|
46
|
32
|
40
|
22
|
27
|
24
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
30 |
| Sumitomo Chemical Company, Limited | 8808 |
12 |
| Amgen Inc. | 3779 |
11 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
10 |
| Adverio Pharma GmbH | 44 |
10 |
| Grillo-Werke AG | 50 |
7 |
| Tokyo Ohka Kogyo Co., Ltd. | 1481 |
7 |
| Arkema France | 3790 |
6 |
| Bristol-myers Squibb Company | 5080 |
5 |
| FUJIFILM Corporation | 27102 |
5 |
| GLOBALFOUNDRIES U.S. Inc. | 6459 |
5 |
| Rohm and Haas Electronic Materials LLC | 637 |
5 |
| Genentech, Inc. | 3742 |
4 |
| Dow Global Technologies LLC | 10147 |
4 |
| Arkema Inc. | 1075 |
4 |
| Daiichi Sankyo Company, Limited | 1829 |
4 |
| Mitsubishi Materials Corporation | 2378 |
4 |
| Mitsubishi Materials Electronic Chemicals Co., Ltd. | 119 |
4 |
| Pharmatrophix, Inc. | 22 |
4 |
| WisTa Laboratories Ltd. | 128 |
4 |
| Other owners | 191 |