- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 31/22 - Organic complexes
Patent holdings for IPC class B01J 31/22
Total number of patents in this class: 2447
10-year publication summary
193
|
177
|
180
|
175
|
253
|
180
|
174
|
190
|
139
|
42
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Chevron Phillips Chemical Company LP | 1779 |
84 |
LG Chem, Ltd. | 17205 |
49 |
Sumitomo Chemical Company, Limited | 8808 |
44 |
ExxonMobil Chemical Patents Inc. | 4286 |
43 |
Dow Global Technologies LLC | 10147 |
43 |
Centre National de La Recherche Scientifique | 9632 |
35 |
Umicore AG & Co. KG | 867 |
33 |
Soochow University | 1605 |
32 |
National Institute of Advanced Industrial Science and Technology | 3677 |
31 |
Massachusetts Institute of Technology | 9795 |
27 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
27 |
Kyushu University, National University Corporation | 1572 |
27 |
BASF SE | 19740 |
26 |
IFP Energies Nouvelles | 2717 |
24 |
Takasago International Corporation | 406 |
24 |
Evonik Oxeno GmbH & Co. KG | 278 |
23 |
California Institute of Technology | 3884 |
22 |
Apeiron Synthesis S.A. | 51 |
21 |
Arlanxeo Deutschland GmbH | 302 |
21 |
Johnson Matthey Public Limited Company | 1852 |
18 |
Other owners | 1793 |