- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/847 - Vanadium, niobium or tantalum
Patent holdings for IPC class B01J 23/847
Total number of patents in this class: 287
10-year publication summary
|
21
|
22
|
18
|
14
|
17
|
13
|
20
|
17
|
14
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17638 |
28 |
| Johnson Matthey Public Limited Company | 1858 |
11 |
| Shin-Etsu Chemical Co., Ltd. | 5662 |
8 |
| Treibacher Industrie AG | 67 |
7 |
| Arkema France | 4154 |
6 |
| BASF SE | 20915 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3537 |
5 |
| IFP Energies Nouvelles | 2933 |
5 |
| Chevron U.S.A. Inc. | 3962 |
4 |
| Korea Institute of Science and Technology | 2120 |
4 |
| Cataler Corporation | 573 |
4 |
| Korea Kumho Petrochemical Co., Ltd. | 191 |
4 |
| Mitsui Mining & Smelting Co., Ltd. | 1486 |
4 |
| Nanocyl S.A. | 35 |
4 |
| Universidad Politecnica de Valencia | 534 |
4 |
| University of Yamanashi | 267 |
4 |
| Centre National de La Recherche Scientifique | 10432 |
3 |
| Showa Denko K.K. | 2226 |
3 |
| Celanese International Corporation | 908 |
3 |
| The Chugoku Electric Power Co., Inc. | 514 |
3 |
| Other owners | 168 |