- 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: 85
10-year publication summary
|
3
|
5
|
10
|
6
|
6
|
10
|
1
|
3
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohm and Haas Company | 2943 |
8 |
| BASF SE | 21306 |
5 |
| ISP Investments Inc. | 441 |
3 |
| LG Chem, Ltd. | 17950 |
2 |
| Union Carbide Corporation | 257 |
2 |
| Mitsubishi Chemical Corporation | 4734 |
2 |
| Arkema France | 4251 |
2 |
| Bausch & Lomb Incorporated | 1059 |
2 |
| Covestro LLC | 612 |
2 |
| Depco-trh Pty Ltd | 12 |
2 |
| Hansol Chemical Co., Ltd. | 197 |
2 |
| Sumitomo Bakelite Co., Ltd. | 1541 |
2 |
| Tesa SE | 1130 |
2 |
| Trinseo Europe GmbH | 322 |
2 |
| Sumika Covestro Urethane Co., Ltd. | 2 |
2 |
| Kioxia Corporation | 10856 |
2 |
| ExxonMobil Research And Engineering Company | 2400 |
1 |
| BASF Corporation | 1681 |
1 |
| Samsung SDI Co., Ltd. | 10719 |
1 |
| Dow Global Technologies LLC | 10994 |
1 |
| Other owners | 39 |