- 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: 8907
10-year publication summary
|
589
|
696
|
647
|
680
|
615
|
534
|
558
|
563
|
487
|
351
|
| 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 | 1766 |
382 |
| IFP Energies Nouvelles | 3125 |
313 |
| BASF Corporation | 1682 |
224 |
| Umicore AG & Co. KG | 842 |
215 |
| BASF SE | 21334 |
207 |
| BASF Mobile Emissions Catalysts LLC | 427 |
175 |
| Saudi Arabian Oil Company | 14398 |
169 |
| Cataler Corporation | 571 |
166 |
| LG Chem, Ltd. | 17986 |
150 |
| Toyota Motor Corporation | 36389 |
106 |
| Chevron Phillips Chemical Company LP | 1877 |
102 |
| China Petroleum & Chemical Corporation | 2190 |
95 |
| Shell USA, Inc. | 1355 |
92 |
| SABIC Global Technologies B.V. | 4632 |
89 |
| Dow Global Technologies LLC | 11072 |
87 |
| Shell Internationale Research Maatschappij B.V. | 3378 |
81 |
| Korea Research Institute of Chemical Technology | 1493 |
76 |
| Chevron U.S.A. Inc. | 4180 |
69 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12301 |
65 |
| Clariant International Ltd. | 892 |
56 |
| Other owners | 5988 |