- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 37/02 - Impregnation, coating or precipitation
Patent holdings for IPC class B01J 37/02
Total number of patents in this class: 7802
10-year publication summary
|
579
|
622
|
589
|
695
|
645
|
681
|
612
|
529
|
543
|
167
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF Corporation | 2039 |
350 |
| Johnson Matthey Public Limited Company | 1852 |
346 |
| IFP Energies Nouvelles | 2717 |
259 |
| BASF SE | 19740 |
213 |
| Umicore AG & Co. KG | 867 |
212 |
| Cataler Corporation | 533 |
143 |
| Saudi Arabian Oil Company | 11322 |
128 |
| LG Chem, Ltd. | 17205 |
115 |
| Toyota Motor Corporation | 28582 |
97 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
91 |
| Chevron Phillips Chemical Company LP | 1779 |
89 |
| Shell USA, Inc. | 1074 |
87 |
| SABIC Global Technologies B.V. | 4044 |
81 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
79 |
| China Petroleum & Chemical Corporation | 1623 |
70 |
| Dow Global Technologies LLC | 10147 |
65 |
| Korea Research Institute of Chemical Technology | 1266 |
58 |
| ExxonMobil Research And Engineering Company | 2830 |
57 |
| Shell Oil Company | 2196 |
57 |
| ExxonMobil Chemical Patents Inc. | 4286 |
57 |
| Other owners | 5148 |