- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 21/00 - Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
Patent holdings for IPC class B01J 21/00
Total number of patents in this class: 946
10-year publication summary
|
71
|
53
|
26
|
33
|
29
|
24
|
16
|
27
|
10
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Umicore AG & Co. KG | 867 |
30 |
| Johnson Matthey Public Limited Company | 1852 |
25 |
| BASF Corporation | 2039 |
23 |
| Chevron U.S.A. Inc. | 3774 |
21 |
| Nissan Motor Co., Ltd. | 12249 |
19 |
| Uop LLC | 4083 |
19 |
| Toyota Motor Corporation | 28582 |
17 |
| Clariant International Ltd. | 978 |
17 |
| LG Chem, Ltd. | 17205 |
15 |
| Chevron Phillips Chemical Company LP | 1779 |
15 |
| China Petroleum & Chemical Corporation | 1623 |
14 |
| IFP Energies Nouvelles | 2717 |
14 |
| Cataler Corporation | 533 |
13 |
| Tronox LLC | 177 |
11 |
| BASF SE | 19740 |
10 |
| The Regents of the University of California | 18943 |
10 |
| ExxonMobil Research And Engineering Company | 2830 |
10 |
| Corning Incorporated | 9932 |
9 |
| Clean Diesel Technologies, Inc. | 74 |
9 |
| Shell USA, Inc. | 1074 |
9 |
| Other owners | 636 |