- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/52 - Gold
Patent holdings for IPC class B01J 23/52
Total number of patents in this class: 750
10-year publication summary
54
|
65
|
58
|
65
|
62
|
62
|
43
|
33
|
36
|
14
|
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 |
42 |
Rohm and Haas Company | 2805 |
39 |
Johnson Matthey Public Limited Company | 1852 |
25 |
Archer Daniels Midland Company | 1164 |
19 |
BASF Corporation | 2039 |
14 |
SABIC Global Technologies B.V. | 4044 |
12 |
University College Cardiff Consultants Limited | 284 |
11 |
Centre National de La Recherche Scientifique | 9632 |
10 |
Lyondell Chemical Technology, L.P. | 292 |
9 |
Wacker Chemie AG | 2091 |
9 |
National Institute of Advanced Industrial Science and Technology | 3677 |
7 |
Immunolight, LLC | 199 |
7 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
7 |
LG Chem, Ltd. | 17205 |
6 |
Clariant International Ltd. | 978 |
6 |
Consejo Superior de Investigaciones Cientificas (csic) | 1254 |
6 |
NBC Meshtec, Inc. | 83 |
6 |
Solvay SA | 1181 |
6 |
Sud-chemie AG | 202 |
6 |
Umicore AG & Co. KG | 867 |
6 |
Other owners | 497 |