- 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: 307
10-year publication summary
28
|
19
|
18
|
17
|
21
|
7
|
6
|
12
|
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 | 10332 |
12 |
Rohm and Haas Company | 2870 |
10 |
Scientific Design Company, Inc. | 115 |
10 |
Shell Internationale Research Maatschappij B.V. | 3537 |
9 |
Johnson Matthey Public Limited Company | 1858 |
9 |
Lyondell Chemical Technology, L.P. | 264 |
9 |
Wacker Chemie AG | 2106 |
9 |
Clariant International Ltd. | 935 |
8 |
Sud-chemie AG | 159 |
8 |
Mitsui Mining & Smelting Co., Ltd. | 1486 |
6 |
BASF SE | 20915 |
5 |
LG Chem, Ltd. | 17638 |
5 |
Shell Oil Company | 2139 |
5 |
SABIC Global Technologies B.V. | 4344 |
5 |
GM Global Technology Operations LLC | 15062 |
4 |
Nitto Denko Corporation | 8241 |
4 |
Cataler Corporation | 573 |
4 |
Celanese International Corporation | 908 |
4 |
3m Innovative Properties Company | 17819 |
3 |
Honda Motor Co., Ltd. | 25274 |
3 |
Other owners | 175 |