- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 21/08 - Silica
Patent holdings for IPC class B01J 21/08
Total number of patents in this class: 1726
10-year publication summary
|
102
|
139
|
170
|
148
|
160
|
143
|
148
|
100
|
99
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron Phillips Chemical Company LP | 1845 |
73 |
| IFP Energies Nouvelles | 3006 |
66 |
| Uop LLC | 4275 |
48 |
| Saudi Arabian Oil Company | 13865 |
39 |
| Umicore AG & Co. KG | 862 |
36 |
| Johnson Matthey Public Limited Company | 1737 |
34 |
| BASF SE | 21146 |
33 |
| LG Chem, Ltd. | 17745 |
30 |
| SABIC Global Technologies B.V. | 4460 |
27 |
| BASF Corporation | 1695 |
25 |
| BASF Mobile Emissions Catalysts LLC | 426 |
24 |
| ExxonMobil Chemical Patents Inc. | 3889 |
23 |
| Hanwha Solutions Corporation | 985 |
20 |
| Dow Global Technologies LLC | 10707 |
17 |
| China Petroleum & Chemical Corporation | 2002 |
16 |
| Compagnie Generale des Etablissements Michelin | 4854 |
15 |
| Korea Research Institute of Chemical Technology | 1435 |
14 |
| Total Research & Technology Feluy | 445 |
14 |
| Rohm and Haas Company | 2941 |
13 |
| Asahi Kasei Kabushiki Kaisha | 2745 |
13 |
| Other owners | 1146 |