- All sections
- C - Chemistrymetallurgy
- 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: 389
10-year publication summary
|
27
|
41
|
28
|
37
|
16
|
27
|
22
|
23
|
26
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21146 |
30 |
| Amgen Inc. | 4304 |
13 |
| Sumitomo Chemical Company, Limited | 9051 |
11 |
| Shin-Etsu Chemical Co., Ltd. | 5878 |
10 |
| Adverio Pharma GmbH | 45 |
10 |
| Grillo-Werke AG | 26 |
7 |
| Arkema France | 4169 |
6 |
| Tokyo Ohka Kogyo Co., Ltd. | 1548 |
6 |
| WisTa Laboratories Ltd. | 137 |
6 |
| Bristol-myers Squibb Company | 4795 |
5 |
| Genentech, Inc. | 4045 |
5 |
| FUJIFILM Corporation | 30063 |
5 |
| GLOBALFOUNDRIES U.S. Inc. | 6403 |
5 |
| Eidos Therapeutics, Inc. | 19 |
5 |
| Apotex Inc. | 205 |
4 |
| Arkema Inc. | 1057 |
4 |
| Daiichi Sankyo Company, Limited | 1871 |
4 |
| Lantheus Medical Imaging, Inc. | 171 |
4 |
| Mitsubishi Materials Corporation | 2466 |
4 |
| Mitsubishi Materials Electronic Chemicals Co., Ltd. | 135 |
4 |
| Other owners | 241 |