- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 75/23 - Polyethersulfones
Patent holdings for IPC class C08G 75/23
Total number of patents in this class: 463
10-year publication summary
|
30
|
43
|
30
|
48
|
31
|
19
|
32
|
29
|
23
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Solvay Specialty Polymers USA, LLC | 597 |
90 |
| BASF SE | 21039 |
85 |
| Sumitomo Chemical Company, Limited | 9086 |
28 |
| General Electric Company | 13859 |
11 |
| Toray Industries, Inc. | 7002 |
9 |
| Solvay Advanced Polymers, L.L.C. | 79 |
9 |
| LG Chem, Ltd. | 17680 |
7 |
| Kingfa SCI & Tech Co. Ltd. | 648 |
7 |
| Roquette Freres | 1033 |
7 |
| Centre National de La Recherche Scientifique | 10576 |
6 |
| Evonik Operations GmbH | 4178 |
6 |
| SHPP Global Technologies B.V. | 1088 |
6 |
| Solvay Specialty Polymers Italy S.p.A. | 758 |
5 |
| Arizona Board of Regents on behalf of Arizona State University | 2678 |
4 |
| Cytec Technology Corp. | 278 |
4 |
| SABIC Global Technologies B.V. | 4374 |
4 |
| Virginia Tech Intellectual Properties, Inc. | 894 |
4 |
| Seoul National University R&db Foundation | 3693 |
4 |
| Cheil Industries Inc. | 847 |
3 |
| Sabic Innovative Plastics IP B.V. | 681 |
3 |
| Other owners | 161 |