- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 220/08 - Anhydrides
Patent holdings for IPC class C08F 220/08
Total number of patents in this class: 83
10-year publication summary
|
12
|
3
|
5
|
10
|
6
|
6
|
9
|
1
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohm and Haas Company | 2880 |
8 |
| BASF SE | 20940 |
5 |
| ISP Investments Inc. | 459 |
3 |
| LG Chem, Ltd. | 17635 |
2 |
| Union Carbide Corporation | 259 |
2 |
| Mitsubishi Chemical Corporation | 4525 |
2 |
| Arkema France | 4154 |
2 |
| Bausch & Lomb Incorporated | 1110 |
2 |
| Covestro LLC | 588 |
2 |
| Depco-trh Pty Ltd | 13 |
2 |
| Hansol Chemical Co., Ltd. | 147 |
2 |
| Sumitomo Bakelite Co., Ltd. | 1498 |
2 |
| Tesa SE | 1064 |
2 |
| Trinseo Europe GmbH | 308 |
2 |
| Sumika Covestro Urethane Co., Ltd. | 2 |
2 |
| Kioxia Corporation | 10314 |
2 |
| ExxonMobil Research And Engineering Company | 2570 |
1 |
| BASF Corporation | 1716 |
1 |
| Samsung SDI Co., Ltd. | 8385 |
1 |
| Dow Global Technologies LLC | 10360 |
1 |
| Other owners | 37 |