- 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
24
|
22
|
31
|
26
|
32
|
39
|
47
|
35
|
20
|
5
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
BASF SE | 20926 |
24 |
3m Innovative Properties Company | 17849 |
15 |
China Petroleum & Chemical Corporation | 1899 |
12 |
Dow Global Technologies LLC | 10352 |
11 |
Sika Technology AG | 2858 |
10 |
PPG Industries Ohio, Inc. | 3460 |
8 |
Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 298 |
8 |
Tsinghua University | 5919 |
7 |
Ecolab USA Inc. | 5478 |
7 |
Sumitomo Bakelite Co., Ltd. | 1496 |
7 |
Verdesian Life Sciences, LLC | 66 |
7 |
Mcmaster University | 802 |
6 |
Evonik Operations GmbH | 4095 |
6 |
Chevron Oronite Company LLC | 572 |
5 |
Verdesian Life Sciences U.S., LLC | 191 |
5 |
LG Chem, Ltd. | 17620 |
4 |
ExxonMobil Research And Engineering Company | 2576 |
4 |
Rohm and Haas Company | 2907 |
4 |
BYK-Chemie GmbH | 443 |
4 |
Construction Research & Technology GmbH | 641 |
4 |
Other owners | 243 |