- All sections
- C - Chemistry; metallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 222/06 - Maleic anhydride
Patent holdings for IPC class C08F 222/06
Total number of patents in this class: 389
10-year publication summary
|
18
|
24
|
22
|
31
|
26
|
32
|
38
|
45
|
34
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
24 |
| 3m Innovative Properties Company | 18406 |
15 |
| Dow Global Technologies LLC | 10147 |
11 |
| China Petroleum & Chemical Corporation | 1623 |
10 |
| Sika Technology AG | 2650 |
10 |
| PPG Industries Ohio, Inc. | 3430 |
8 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 297 |
7 |
| Sumitomo Bakelite Co., Ltd. | 1416 |
7 |
| Verdesian Life Sciences, LLC | 62 |
7 |
| Tsinghua University | 5426 |
6 |
| Ecolab USA Inc. | 5190 |
6 |
| Evonik Operations GmbH | 3879 |
6 |
| Mcmaster University | 746 |
5 |
| Verdesian Life Sciences U.S., LLC | 199 |
5 |
| ExxonMobil Research And Engineering Company | 2830 |
4 |
| BASF AG | 1258 |
4 |
| Rohm and Haas Company | 2805 |
4 |
| BYK-Chemie GmbH | 437 |
4 |
| Construction Research & Technology GmbH | 640 |
4 |
| Promerus, LLC | 172 |
4 |
| Other owners | 238 |