- 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: 8453
10-year publication summary
|
588
|
561
|
667
|
623
|
656
|
584
|
500
|
533
|
545
|
342
|
| 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 | 1866 |
374 |
| IFP Energies Nouvelles | 2948 |
297 |
| Umicore AG & Co. KG | 856 |
216 |
| BASF Corporation | 1722 |
215 |
| BASF SE | 20961 |
204 |
| BASF Mobile Emissions Catalysts LLC | 407 |
170 |
| Saudi Arabian Oil Company | 13316 |
157 |
| Cataler Corporation | 578 |
153 |
| LG Chem, Ltd. | 17643 |
141 |
| Toyota Motor Corporation | 32681 |
103 |
| Chevron Phillips Chemical Company LP | 1828 |
98 |
| Shell USA, Inc. | 1233 |
88 |
| Shell Internationale Research Maatschappij B.V. | 3549 |
87 |
| SABIC Global Technologies B.V. | 4359 |
85 |
| China Petroleum & Chemical Corporation | 1907 |
82 |
| Dow Global Technologies LLC | 10394 |
75 |
| Korea Research Institute of Chemical Technology | 1400 |
69 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12760 |
69 |
| Chevron U.S.A. Inc. | 3981 |
60 |
| ExxonMobil Chemical Patents Inc. | 3977 |
58 |
| Other owners | 5652 |