- 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: 2673
10-year publication summary
|
174
|
174
|
249
|
173
|
173
|
184
|
140
|
152
|
127
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron Phillips Chemical Company LP | 1847 |
83 |
| LG Chem, Ltd. | 17737 |
48 |
| Dow Global Technologies LLC | 10701 |
45 |
| ExxonMobil Chemical Patents Inc. | 3887 |
44 |
| Sumitomo Chemical Company, Limited | 9053 |
38 |
| Umicore AG & Co. KG | 862 |
38 |
| Centre National de La Recherche Scientifique | 10805 |
37 |
| National Institute of Advanced Industrial Science and Technology | 3795 |
37 |
| Soochow University | 1758 |
30 |
| Kyushu University, National University Corporation | 1680 |
29 |
| BASF SE | 21134 |
27 |
| Massachusetts Institute of Technology | 10172 |
27 |
| Shin-Etsu Chemical Co., Ltd. | 5861 |
26 |
| Evonik Oxeno GmbH & Co. KG | 349 |
26 |
| The Regents of the University of California | 20378 |
24 |
| IFP Energies Nouvelles | 3006 |
24 |
| Takasago International Corporation | 406 |
23 |
| Arlanxeo Deutschland GmbH | 277 |
21 |
| Apeiron Synthesis S.A. | 51 |
20 |
| Novomer, Inc. | 212 |
20 |
| Other owners | 2006 |