- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 21/12 - Silica and alumina
Patent holdings for IPC class B01J 21/12
Total number of patents in this class: 1005
10-year publication summary
|
59
|
67
|
78
|
97
|
66
|
62
|
72
|
74
|
50
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFP Energies Nouvelles | 2933 |
68 |
| Johnson Matthey Public Limited Company | 1862 |
52 |
| Uop LLC | 4238 |
46 |
| Chevron Phillips Chemical Company LP | 1833 |
37 |
| Chevron U.S.A. Inc. | 3966 |
33 |
| BASF Corporation | 1715 |
26 |
| China Petroleum & Chemical Corporation | 1908 |
22 |
| Saudi Arabian Oil Company | 13206 |
21 |
| Umicore AG & Co. KG | 854 |
19 |
| Dow Global Technologies LLC | 10349 |
14 |
| ENI S.p.A. | 1260 |
14 |
| Shell Internationale Research Maatschappij B.V. | 3539 |
12 |
| BASF Mobile Emissions Catalysts LLC | 404 |
12 |
| Sasol Technology (Proprietary) Limited | 223 |
11 |
| Shell USA, Inc. | 1223 |
11 |
| SABIC Global Technologies B.V. | 4347 |
10 |
| BASF SE | 20915 |
9 |
| NGK Insulators, Ltd. | 4965 |
9 |
| Versalis S.P.A. | 541 |
9 |
| Evonik Oxeno GmbH & Co. KG | 321 |
8 |
| Other owners | 562 |