- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/50 - Silver
Patent holdings for IPC class B01J 23/50
Total number of patents in this class: 685
10-year publication summary
|
58
|
48
|
54
|
53
|
47
|
47
|
39
|
33
|
36
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Scientific Design Company, Inc. | 114 |
38 |
| BASF SE | 20387 |
31 |
| Shell Internationale Research Maatschappij B.V. | 3721 |
16 |
| Dow Technology Investments LLC | 273 |
12 |
| Saint-Gobain Ceramics & Plastics, Inc. | 837 |
11 |
| China Petroleum & Chemical Corporation | 1774 |
9 |
| Johnson Matthey Public Limited Company | 1850 |
9 |
| Mitsui Mining & Smelting Co., Ltd. | 1422 |
9 |
| Centre National de La Recherche Scientifique | 10068 |
8 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13109 |
8 |
| Shell USA, Inc. | 1134 |
8 |
| Eastman Kodak Company | 3044 |
7 |
| Sumitomo Chemical Company, Limited | 8976 |
7 |
| Shell Oil Company | 2155 |
7 |
| Clariant International Ltd. | 955 |
7 |
| Immunolight, LLC | 204 |
7 |
| Tanaka Kikinzoku Kogyo K.K. | 588 |
7 |
| GM Global Technology Operations LLC | 14197 |
6 |
| Dow Global Technologies LLC | 10143 |
6 |
| Korea Institute of Science and Technology | 2069 |
6 |
| Other owners | 466 |