- 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: 2628
10-year publication summary
|
177
|
180
|
175
|
253
|
180
|
175
|
192
|
144
|
154
|
90
|
| 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 | 1830 |
84 |
| LG Chem, Ltd. | 17638 |
50 |
| Dow Global Technologies LLC | 10332 |
44 |
| ExxonMobil Chemical Patents Inc. | 3977 |
43 |
| Sumitomo Chemical Company, Limited | 9047 |
42 |
| Centre National de La Recherche Scientifique | 10432 |
38 |
| Umicore AG & Co. KG | 856 |
36 |
| National Institute of Advanced Industrial Science and Technology | 3802 |
35 |
| BASF SE | 20915 |
30 |
| Soochow University | 1738 |
30 |
| Kyushu University, National University Corporation | 1658 |
29 |
| Massachusetts Institute of Technology | 10055 |
26 |
| Shin-Etsu Chemical Co., Ltd. | 5662 |
26 |
| Evonik Oxeno GmbH & Co. KG | 320 |
26 |
| IFP Energies Nouvelles | 2933 |
23 |
| Takasago International Corporation | 401 |
23 |
| The Regents of the University of California | 19929 |
21 |
| Arlanxeo Deutschland GmbH | 277 |
21 |
| California Institute of Technology | 3972 |
20 |
| Apeiron Synthesis S.A. | 51 |
20 |
| Other owners | 1961 |