- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 81/06 - PolysulfonesPolyethersulfones
Patent holdings for IPC class C08L 81/06
Total number of patents in this class: 668
10-year publication summary
|
42
|
55
|
76
|
42
|
49
|
43
|
30
|
42
|
31
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Solvay Specialty Polymers USA, LLC | 503 |
88 |
| BASF SE | 21334 |
50 |
| Sumitomo Chemical Company, Limited | 8995 |
44 |
| Toray Industries, Inc. | 7167 |
22 |
| SHPP Global Technologies B.V. | 1112 |
19 |
| Cytec Technology Corp. | 258 |
15 |
| Syensqo Specialty Polymers USA, LLC | 141 |
11 |
| Lotte Chemical Corporation | 798 |
10 |
| Sumitomo Electric Industries, Ltd. | 16419 |
9 |
| Fresenius Medical Care Holdings, Inc. | 1423 |
9 |
| Sumitomo Wiring Systems, Ltd. | 11259 |
8 |
| Sabic Innovative Plastics IP B.V. | 571 |
8 |
| AutoNetworks Technologies, Ltd. | 7319 |
8 |
| Nitto Denko Corporation | 8642 |
7 |
| LG Chem, Ltd. | 17997 |
6 |
| Daikin Industries, Ltd. | 10546 |
6 |
| Solvay Advanced Polymers, L.L.C. | 62 |
6 |
| Evonik Röhm GmbH | 379 |
5 |
| Cytec Industries Inc. | 413 |
5 |
| Hexcel Corporation | 294 |
5 |
| Other owners | 327 |