- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 21/08 - Silica
Patent holdings for IPC class B01J 21/08
Total number of patents in this class: 1541
10-year publication summary
|
94
|
102
|
104
|
143
|
178
|
155
|
159
|
138
|
134
|
39
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron Phillips Chemical Company LP | 1779 |
62 |
| Uop LLC | 4083 |
50 |
| IFP Energies Nouvelles | 2717 |
46 |
| BASF Corporation | 2039 |
44 |
| Umicore AG & Co. KG | 867 |
35 |
| BASF SE | 19740 |
34 |
| Saudi Arabian Oil Company | 11322 |
33 |
| Johnson Matthey Public Limited Company | 1852 |
32 |
| SABIC Global Technologies B.V. | 4044 |
23 |
| ExxonMobil Chemical Patents Inc. | 4286 |
20 |
| LG Chem, Ltd. | 17205 |
19 |
| ExxonMobil Research And Engineering Company | 2830 |
15 |
| Hanwha Solutions Corporation | 572 |
15 |
| Dow Global Technologies LLC | 10147 |
14 |
| Total Research & Technology Feluy | 461 |
14 |
| Rohm and Haas Company | 2805 |
13 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
13 |
| Korea Research Institute of Chemical Technology | 1266 |
13 |
| China Petroleum & Chemical Corporation | 1623 |
11 |
| Lyondell Chemical Technology, L.P. | 292 |
10 |
| Other owners | 1025 |