- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/22 - Vanadium
Patent holdings for IPC class B01J 23/22
Total number of patents in this class: 730
10-year publication summary
|
56
|
45
|
64
|
86
|
55
|
64
|
36
|
46
|
34
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
37 |
| Umicore AG & Co. KG | 867 |
30 |
| BASF Corporation | 2039 |
28 |
| The Chugoku Electric Power Co., Inc. | 498 |
25 |
| Johnson Matthey Public Limited Company | 1852 |
23 |
| Topsoe A/S | 732 |
20 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
13 |
| Shell Oil Company | 2196 |
11 |
| Korea Institute of Science and Technology | 2022 |
11 |
| Tokyo Metropolitan Public University Corporation | 71 |
11 |
| LG Chem, Ltd. | 17205 |
10 |
| Clariant International Ltd. | 978 |
10 |
| NOVA Chemicals (International) S.A. | 717 |
10 |
| Tokyo Metropolitan University | 101 |
10 |
| Sud-chemie AG | 202 |
9 |
| Mitsubishi Power, Ltd. | 1680 |
9 |
| W. L. Gore & Associates, Inc. | 2600 |
8 |
| Hitachi Zosen Corporation | 609 |
8 |
| Haldor Topsøe A/S | 698 |
8 |
| Shell USA, Inc. | 1074 |
8 |
| Other owners | 431 |