- 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 |