- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 75/20 - Polysulfones
Patent holdings for IPC class C08G 75/20
Total number of patents in this class: 171
10-year publication summary
|
11
|
23
|
12
|
20
|
11
|
11
|
7
|
5
|
5
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 9044 |
18 |
| Solvay Specialty Polymers USA, LLC | 589 |
15 |
| BASF SE | 20967 |
12 |
| LG Chem, Ltd. | 17636 |
8 |
| University of Florida Research Foundation, Inc. | 4035 |
4 |
| General Electric Company | 13807 |
3 |
| FUJIFILM Corporation | 29489 |
3 |
| Sabic Innovative Plastics IP B.V. | 681 |
3 |
| Nissan Chemical Industries, Ltd. | 1707 |
3 |
| International Business Machines Corporation | 61353 |
2 |
| E. I. du Pont de Nemours and Company | 4026 |
2 |
| Compagnie générale des établissements Michelin SCA | 2572 |
2 |
| PRC-DeSoto International, Inc. | 571 |
2 |
| Agency for Science, Technology and Research | 3631 |
2 |
| Arizona Board of Regents on behalf of Arizona State University | 2653 |
2 |
| Bixby International Corporation | 32 |
2 |
| DIC Corporation | 3808 |
2 |
| KCC Corporation | 314 |
2 |
| Kingfa SCI & Tech Co. Ltd. | 641 |
2 |
| Kureha Corporation | 1032 |
2 |
| Other owners | 80 |