- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/20 - Vanadium, niobium or tantalum
Patent holdings for IPC class B01J 23/20
Total number of patents in this class: 362
10-year publication summary
30
|
30
|
27
|
18
|
30
|
17
|
15
|
23
|
18
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
IFP Energies Nouvelles | 2717 |
16 |
The Procter & Gamble Company | 22178 |
11 |
Centre National de La Recherche Scientifique | 9632 |
10 |
Clariant International Ltd. | 978 |
8 |
BASF Corporation | 2039 |
7 |
Showa Denko K.K. | 2539 |
7 |
Umicore AG & Co. KG | 867 |
7 |
Wisconsin Alumni Research Foundation | 3774 |
6 |
Compagnie générale des établissements Michelin SCA | 2477 |
6 |
Ecole Superieure de Chimie Physique Electronique de Lyon | 71 |
6 |
Magnesium Elektron Limited | 97 |
6 |
Sekisui Chemical Co., Ltd. | 3159 |
6 |
Linde GmbH | 1122 |
6 |
Shell Internationale Research Maatschappij B.V. | 3792 |
5 |
National University Corporation Yokohama National University | 328 |
5 |
Rhodia Operations | 1645 |
5 |
Synthos S.A. | 45 |
5 |
Compagnie Generale des Etablissements Michelin | 4450 |
5 |
Mitsubishi Chemical UK Limited | 106 |
5 |
Panasonic Corporation | 20786 |
4 |
Other owners | 226 |