- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/50 - Silver
Patent holdings for IPC class B01J 23/50
Total number of patents in this class: 696
10-year publication summary
|
56
|
47
|
51
|
51
|
45
|
47
|
41
|
33
|
36
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Scientific Design Company, Inc. | 117 |
39 |
| BASF SE | 21039 |
33 |
| Shell Internationale Research Maatschappij B.V. | 3557 |
14 |
| Dow Technology Investments LLC | 273 |
12 |
| Saint-Gobain Ceramics & Plastics, Inc. | 837 |
11 |
| China Petroleum & Chemical Corporation | 1913 |
9 |
| Mitsui Mining & Smelting Co., Ltd. | 1514 |
9 |
| Centre National de La Recherche Scientifique | 10576 |
8 |
| Johnson Matthey Public Limited Company | 1875 |
8 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12749 |
8 |
| Eastman Kodak Company | 2834 |
7 |
| Sumitomo Chemical Company, Limited | 9086 |
7 |
| Shell Oil Company | 2138 |
7 |
| Clariant International Ltd. | 932 |
7 |
| Immunolight, LLC | 208 |
7 |
| Tanaka Kikinzoku Kogyo K.K. | 584 |
7 |
| Shell USA, Inc. | 1243 |
7 |
| GM Global Technology Operations LLC | 15192 |
6 |
| Dow Global Technologies LLC | 10448 |
6 |
| Korea Institute of Science and Technology | 2149 |
6 |
| Other owners | 478 |