- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/52 - Gold
Patent holdings for IPC class B01J 23/52
Total number of patents in this class: 799
10-year publication summary
|
57
|
63
|
54
|
60
|
39
|
34
|
36
|
40
|
30
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohm and Haas Company | 2947 |
49 |
| Dow Global Technologies LLC | 10742 |
47 |
| Johnson Matthey Public Limited Company | 1736 |
21 |
| Archer Daniels Midland Company | 1114 |
20 |
| SABIC Global Technologies B.V. | 4471 |
12 |
| Quantum Cat Co., Ltd. | 19 |
11 |
| Centre National de La Recherche Scientifique | 10841 |
10 |
| BASF Corporation | 1694 |
9 |
| Lyondell Chemical Technology, L.P. | 252 |
9 |
| Wacker Chemie AG | 2106 |
9 |
| Clariant International Ltd. | 902 |
7 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1421 |
7 |
| Immunolight, LLC | 212 |
7 |
| Solvay SA | 966 |
7 |
| University College Cardiff Consultants Limited | 267 |
7 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12560 |
7 |
| LG Chem, Ltd. | 17778 |
6 |
| The Regents of the University of California | 20473 |
6 |
| National Institute of Advanced Industrial Science and Technology | 3794 |
6 |
| Celanese International Corporation | 909 |
6 |
| Other owners | 536 |