- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/66 - Silver or gold
Patent holdings for IPC class B01J 23/66
Total number of patents in this class: 310
10-year publication summary
|
28
|
19
|
18
|
18
|
21
|
8
|
6
|
11
|
9
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10247 |
12 |
| Shell Internationale Research Maatschappij B.V. | 3473 |
10 |
| Rohm and Haas Company | 2887 |
10 |
| Scientific Design Company, Inc. | 115 |
10 |
| Johnson Matthey Public Limited Company | 1852 |
9 |
| Lyondell Chemical Technology, L.P. | 268 |
9 |
| Wacker Chemie AG | 2104 |
9 |
| Clariant International Ltd. | 927 |
8 |
| Sud-chemie AG | 176 |
8 |
| Mitsui Mining & Smelting Co., Ltd. | 1440 |
6 |
| BASF SE | 20616 |
5 |
| LG Chem, Ltd. | 17464 |
5 |
| Shell Oil Company | 2145 |
5 |
| SABIC Global Technologies B.V. | 4254 |
5 |
| GM Global Technology Operations LLC | 14645 |
4 |
| Nitto Denko Corporation | 8146 |
4 |
| Cataler Corporation | 573 |
4 |
| Celanese International Corporation | 918 |
4 |
| 3m Innovative Properties Company | 17865 |
3 |
| Honda Motor Co., Ltd. | 25101 |
3 |
| Other owners | 177 |