- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 81/06 - Polysulfones; Polyethersulfones
Patent holdings for IPC class C08L 81/06
Total number of patents in this class: 663
10-year publication summary
|
48
|
42
|
55
|
75
|
42
|
49
|
41
|
29
|
42
|
4
|
| 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 | 559 |
90 |
| BASF SE | 20432 |
46 |
| Sumitomo Chemical Company, Limited | 8988 |
45 |
| Toray Industries, Inc. | 6855 |
22 |
| Cytec Technology Corp. | 318 |
20 |
| SHPP Global Technologies B.V. | 1059 |
19 |
| Sabic Innovative Plastics IP B.V. | 683 |
12 |
| Solvay Advanced Polymers, L.L.C. | 89 |
12 |
| Sumitomo Electric Industries, Ltd. | 14972 |
9 |
| Fresenius Medical Care Holdings, Inc. | 1395 |
9 |
| Sumitomo Wiring Systems, Ltd. | 10016 |
8 |
| AutoNetworks Technologies, Ltd. | 6329 |
8 |
| Lotte Chemical Corporation | 664 |
8 |
| Nitto Denko Corporation | 8089 |
7 |
| LG Chem, Ltd. | 17639 |
6 |
| 3m Innovative Properties Company | 17957 |
5 |
| Evonik Röhm GmbH | 451 |
5 |
| Cytec Industries Inc. | 420 |
5 |
| Hexcel Corporation | 302 |
5 |
| Nitto Shinko Corporation | 71 |
5 |
| Other owners | 317 |