- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/66 - Silver or gold
Patent holdings for IPC class B01J 23/66
Total number of patents in this class: 318
10-year publication summary
|
27
|
28
|
19
|
18
|
18
|
21
|
8
|
6
|
11
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10147 |
11 |
| Scientific Design Company, Inc. | 131 |
11 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
9 |
| Johnson Matthey Public Limited Company | 1852 |
9 |
| Lyondell Chemical Technology, L.P. | 292 |
9 |
| Wacker Chemie AG | 2091 |
9 |
| Rohm and Haas Company | 2805 |
8 |
| Sud-chemie AG | 202 |
8 |
| Clariant International Ltd. | 978 |
7 |
| Mitsui Mining & Smelting Co., Ltd. | 1373 |
6 |
| BASF SE | 19740 |
5 |
| LG Chem, Ltd. | 17205 |
5 |
| Shell Oil Company | 2196 |
5 |
| SABIC Global Technologies B.V. | 4044 |
5 |
| GM Global Technology Operations LLC | 13620 |
4 |
| Nitto Denko Corporation | 7879 |
4 |
| Cataler Corporation | 533 |
4 |
| Celanese International Corporation | 879 |
4 |
| 3m Innovative Properties Company | 18406 |
3 |
| Honda Motor Co., Ltd. | 24537 |
3 |
| Other owners | 189 |