- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 37/02 - Impregnation, coating or precipitation
Patent holdings for IPC class B01J 37/02
Total number of patents in this class: 8386
10-year publication summary
|
622
|
589
|
696
|
645
|
681
|
613
|
532
|
555
|
553
|
279
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson Matthey Public Limited Company | 1847 |
372 |
| IFP Energies Nouvelles | 2943 |
297 |
| Umicore AG & Co. KG | 858 |
215 |
| BASF Corporation | 1719 |
214 |
| BASF SE | 20904 |
205 |
| BASF Mobile Emissions Catalysts LLC | 399 |
169 |
| Saudi Arabian Oil Company | 12997 |
157 |
| Cataler Corporation | 572 |
152 |
| LG Chem, Ltd. | 17598 |
136 |
| Toyota Motor Corporation | 31819 |
101 |
| Chevron Phillips Chemical Company LP | 1839 |
99 |
| Shell USA, Inc. | 1209 |
88 |
| Shell Internationale Research Maatschappij B.V. | 3551 |
87 |
| SABIC Global Technologies B.V. | 4330 |
84 |
| China Petroleum & Chemical Corporation | 1889 |
80 |
| Dow Global Technologies LLC | 10373 |
72 |
| Korea Research Institute of Chemical Technology | 1385 |
69 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12821 |
69 |
| Chevron U.S.A. Inc. | 3945 |
59 |
| ExxonMobil Chemical Patents Inc. | 4001 |
58 |
| Other owners | 5603 |