- 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: 1027
10-year publication summary
|
64
|
75
|
94
|
64
|
58
|
65
|
73
|
47
|
42
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFP Energies Nouvelles | 3012 |
71 |
| Johnson Matthey Public Limited Company | 1737 |
49 |
| Uop LLC | 4273 |
46 |
| Chevron Phillips Chemical Company LP | 1848 |
39 |
| Chevron U.S.A. Inc. | 4044 |
33 |
| BASF Corporation | 1696 |
26 |
| China Petroleum & Chemical Corporation | 1993 |
24 |
| Saudi Arabian Oil Company | 13814 |
21 |
| Umicore AG & Co. KG | 863 |
19 |
| Dow Global Technologies LLC | 10696 |
16 |
| ENI S.p.A. | 1290 |
14 |
| BASF Mobile Emissions Catalysts LLC | 426 |
14 |
| Shell Internationale Research Maatschappij B.V. | 3517 |
12 |
| Shell USA, Inc. | 1273 |
11 |
| SABIC Global Technologies B.V. | 4448 |
10 |
| Sasol Technology (Proprietary) Limited | 211 |
10 |
| NGK Insulators, Ltd. | 5192 |
9 |
| Versalis S.P.A. | 547 |
9 |
| BASF SE | 21135 |
8 |
| Evonik Oxeno GmbH & Co. KG | 349 |
8 |
| Other owners | 578 |