- All sections
- C - Chemistrymetallurgy
- 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: 401
10-year publication summary
|
21
|
22
|
28
|
24
|
29
|
36
|
46
|
34
|
20
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20979 |
24 |
| 3m Innovative Properties Company | 17795 |
15 |
| China Petroleum & Chemical Corporation | 1908 |
12 |
| Dow Global Technologies LLC | 10402 |
11 |
| Sika Technology AG | 2875 |
10 |
| PPG Industries Ohio, Inc. | 3443 |
8 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 295 |
8 |
| Tsinghua University | 5951 |
7 |
| Ecolab USA Inc. | 5512 |
7 |
| Sumitomo Bakelite Co., Ltd. | 1507 |
7 |
| Verdesian Life Sciences, LLC | 67 |
7 |
| Mcmaster University | 802 |
6 |
| Evonik Operations GmbH | 4154 |
6 |
| Chevron Oronite Company LLC | 573 |
5 |
| Verdesian Life Sciences U.S., LLC | 191 |
5 |
| LG Chem, Ltd. | 17644 |
4 |
| ExxonMobil Research And Engineering Company | 2562 |
4 |
| Rohm and Haas Company | 2895 |
4 |
| BYK-Chemie GmbH | 446 |
4 |
| Construction Research & Technology GmbH | 641 |
4 |
| Other owners | 243 |