- 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: 8592
10-year publication summary
|
561
|
667
|
623
|
656
|
584
|
501
|
533
|
545
|
468
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson Matthey Public Limited Company | 1770 |
363 |
| IFP Energies Nouvelles | 2997 |
303 |
| Umicore AG & Co. KG | 859 |
217 |
| BASF Corporation | 1702 |
214 |
| BASF SE | 21109 |
203 |
| BASF Mobile Emissions Catalysts LLC | 423 |
173 |
| Cataler Corporation | 581 |
160 |
| Saudi Arabian Oil Company | 13708 |
160 |
| LG Chem, Ltd. | 17702 |
142 |
| Toyota Motor Corporation | 33664 |
106 |
| Chevron Phillips Chemical Company LP | 1858 |
100 |
| Shell USA, Inc. | 1262 |
89 |
| Shell Internationale Research Maatschappij B.V. | 3513 |
87 |
| SABIC Global Technologies B.V. | 4420 |
87 |
| China Petroleum & Chemical Corporation | 1968 |
85 |
| Dow Global Technologies LLC | 10627 |
81 |
| Korea Research Institute of Chemical Technology | 1421 |
72 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12624 |
69 |
| Chevron U.S.A. Inc. | 4013 |
64 |
| ExxonMobil Chemical Patents Inc. | 3925 |
58 |
| Other owners | 5759 |