- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/68 - Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
Patent holdings for IPC class B01J 23/68
Total number of patents in this class: 300
10-year publication summary
|
16
|
28
|
17
|
22
|
15
|
18
|
11
|
11
|
10
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20991 |
30 |
| Dow Technology Investments LLC | 273 |
15 |
| Shell Internationale Research Maatschappij B.V. | 3553 |
14 |
| Scientific Design Company, Inc. | 116 |
13 |
| Dow Global Technologies LLC | 10413 |
12 |
| Shell Oil Company | 2138 |
10 |
| Murata Manufacturing Co., Ltd. | 24741 |
9 |
| Honda Motor Co., Ltd. | 25499 |
8 |
| Shell USA, Inc. | 1238 |
7 |
| Siemens AG | 24386 |
5 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 672 |
5 |
| Mitsui Mining & Smelting Co., Ltd. | 1502 |
5 |
| Toshiba Materials Co., Ltd. | 664 |
5 |
| Virent, Inc. | 127 |
5 |
| Toshiba Corporation | 12502 |
4 |
| Kao Corporation | 4982 |
4 |
| Archer Daniels Midland Company | 1134 |
4 |
| Daicel Corporation | 2376 |
4 |
| IFP Energies Nouvelles | 2957 |
4 |
| Johnson Matthey Public Limited Company | 1868 |
4 |
| Other owners | 133 |