- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/00 - Sulfonic acidsHalides, esters, or anhydrides thereof
Patent holdings for IPC class C07C 309/00
Total number of patents in this class: 136
10-year publication summary
|
11
|
3
|
5
|
2
|
3
|
0
|
2
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20926 |
5 |
| W. R. Grace & Co.-Conn. | 301 |
5 |
| Sumitomo Chemical Company, Limited | 9047 |
4 |
| Chevron Oronite Company LLC | 572 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 5651 |
3 |
| Rhodia Operations | 1586 |
3 |
| Stepan Company | 579 |
3 |
| LG Chem, Ltd. | 17620 |
2 |
| Janssen Pharmaceutica N.V. | 3395 |
2 |
| FUJIFILM Corporation | 29350 |
2 |
| Medtronic MiniMed, Inc. | 1799 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2744 |
2 |
| Grillo-Werke AG | 27 |
2 |
| Materia, Inc. | 73 |
2 |
| Nippon Shokubai Co., Ltd. | 1510 |
2 |
| Trinapco, Inc. | 19 |
2 |
| Vitaworks IP, LLC | 55 |
2 |
| Agc, Inc. | 4827 |
2 |
| Mylan Institutional LLC | 8 |
2 |
| DuPont Electronic Materials International, LLC | 428 |
2 |
| Other owners | 83 |