- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 81/08 - Polysulfonates
Patent holdings for IPC class C08L 81/08
Total number of patents in this class: 24
10-year publication summary
|
2
|
0
|
6
|
2
|
5
|
1
|
2
|
1
|
0
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron U.S.A. Inc. | 3856 |
2 |
| DuPont Electronic Materials International, LLC | 365 |
2 |
| 3m Innovative Properties Company | 17957 |
1 |
| BASF SE | 20432 |
1 |
| LG Chem, Ltd. | 17639 |
1 |
| The Regents of the University of California | 19517 |
1 |
| Xerox Corporation | 7076 |
1 |
| The Boeing Company | 19911 |
1 |
| Eastman Kodak Company | 3033 |
1 |
| Sumitomo Chemical Company, Limited | 8988 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5446 |
1 |
| Korea Institute of Science and Technology | 2075 |
1 |
| Entegris, Inc. | 1814 |
1 |
| National Institute for Materials Science | 1108 |
1 |
| RASIRC, Inc. | 47 |
1 |
| Shofu, Inc. | 202 |
1 |
| Solenis Technologies Cayman, L.P. | 326 |
1 |
| SOLENIS TECHNOLOGIES, L.P., Solenis International, L.P., a Delaware limited partnership, DBA Solenis Technologies, L.P. | 171 |
1 |
| Soochow University | 1718 |
1 |
| Dankook University Cheonan Campus Industry Academic Cooperation Foundation | 98 |
1 |
| Other owners | 2 |