- 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: 122
10-year publication summary
|
3
|
5
|
2
|
3
|
0
|
2
|
1
|
0
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21310 |
5 |
| W. R. Grace & Co.-Conn. | 298 |
5 |
| Sumitomo Chemical Company, Limited | 8963 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 6117 |
3 |
| Chevron Oronite Company LLC | 595 |
3 |
| Rhodia Operations | 1490 |
3 |
| LG Chem, Ltd. | 17937 |
2 |
| FUJIFILM Corporation | 30562 |
2 |
| Medtronic MiniMed, Inc. | 1785 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2861 |
2 |
| Grillo-Werke AG | 26 |
2 |
| Libre Holdings, Inc. | 45 |
2 |
| Materia, Inc. | 47 |
2 |
| Nippon Shokubai Co., Ltd. | 1538 |
2 |
| Stepan Company | 565 |
2 |
| Trinapco, Inc. | 19 |
2 |
| Mylan Institutional LLC | 8 |
2 |
| DuPont Electronic Materials International, LLC | 430 |
2 |
| International Business Machines Corporation | 62742 |
1 |
| E. I. du Pont de Nemours and Company | 3511 |
1 |
| Other owners | 73 |