- All sections
- C - Chemistrymetallurgy
- 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
|
0
|
6
|
2
|
5
|
1
|
2
|
1
|
0
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron U.S.A. Inc. | 4075 |
2 |
| DuPont Electronic Materials International, LLC | 425 |
2 |
| 3m Innovative Properties Company | 17576 |
1 |
| BASF SE | 21131 |
1 |
| LG Chem, Ltd. | 17778 |
1 |
| The Regents of the University of California | 20473 |
1 |
| The Boeing Company | 20115 |
1 |
| Eastman Kodak Company | 2714 |
1 |
| Sumitomo Chemical Company, Limited | 9057 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5893 |
1 |
| Korea Institute of Science and Technology | 2188 |
1 |
| Entegris, Inc. | 1958 |
1 |
| National Institute for Materials Science | 1089 |
1 |
| RASIRC, Inc. | 48 |
1 |
| Shofu, Inc. | 203 |
1 |
| Soochow University | 1764 |
1 |
| Dankook University Cheonan Campus Industry Academic Cooperation Foundation | 112 |
1 |
| Unomedical A/S | 210 |
1 |
| Nissan Chemical Corporation | 2139 |
1 |
| Mimos Bhd. | 973 |
1 |
| Other owners | 2 |