- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/847 - Vanadium, niobium or tantalum
Patent holdings for IPC class B01J 23/847
Total number of patents in this class: 267
10-year publication summary
|
25
|
21
|
23
|
18
|
14
|
17
|
13
|
18
|
17
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
22 |
| Johnson Matthey Public Limited Company | 1852 |
11 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
8 |
| Treibacher Industrie AG | 68 |
7 |
| Arkema France | 3790 |
6 |
| BASF SE | 19740 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
5 |
| IFP Energies Nouvelles | 2717 |
5 |
| BASF Corporation | 2039 |
4 |
| Chevron U.S.A. Inc. | 3774 |
4 |
| Korea Institute of Science and Technology | 2022 |
4 |
| Cataler Corporation | 533 |
4 |
| Mitsui Mining & Smelting Co., Ltd. | 1373 |
4 |
| Universidad Politecnica de Valencia | 507 |
4 |
| University of Yamanashi | 270 |
4 |
| Centre National de La Recherche Scientifique | 9632 |
3 |
| Showa Denko K.K. | 2539 |
3 |
| Celanese International Corporation | 879 |
3 |
| The Chugoku Electric Power Co., Inc. | 498 |
3 |
| Instituto Mexicano Del Petroleo | 213 |
3 |
| Other owners | 155 |