- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 31/22 - Organic complexes
Patent holdings for IPC class B01J 31/22
Total number of patents in this class: 2608
10-year publication summary
177
|
180
|
175
|
253
|
180
|
175
|
192
|
143
|
154
|
68
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Chevron Phillips Chemical Company LP | 1832 |
84 |
LG Chem, Ltd. | 17549 |
50 |
Sumitomo Chemical Company, Limited | 9002 |
43 |
ExxonMobil Chemical Patents Inc. | 4027 |
43 |
Dow Global Technologies LLC | 10341 |
43 |
Centre National de La Recherche Scientifique | 10311 |
38 |
Umicore AG & Co. KG | 855 |
36 |
National Institute of Advanced Industrial Science and Technology | 3784 |
34 |
Soochow University | 1730 |
30 |
Kyushu University, National University Corporation | 1643 |
29 |
BASF SE | 20758 |
27 |
Massachusetts Institute of Technology | 10002 |
26 |
Shin-Etsu Chemical Co., Ltd. | 5587 |
26 |
Evonik Oxeno GmbH & Co. KG | 309 |
26 |
IFP Energies Nouvelles | 2888 |
23 |
Takasago International Corporation | 404 |
23 |
The Regents of the University of California | 19803 |
21 |
Arlanxeo Deutschland GmbH | 274 |
21 |
California Institute of Technology | 3966 |
20 |
Apeiron Synthesis S.A. | 51 |
20 |
Other owners | 1945 |