- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/86 - Chromium
Patent holdings for IPC class B01J 23/86
Total number of patents in this class: 254
10-year publication summary
21
|
18
|
25
|
29
|
24
|
16
|
12
|
11
|
10
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Arkema France | 3790 |
18 |
Dow Global Technologies LLC | 10147 |
10 |
E. I. du Pont de Nemours and Company | 4345 |
7 |
Johnson Matthey Public Limited Company | 1852 |
6 |
LG Chem, Ltd. | 17205 |
5 |
Mitsui Mining & Smelting Co., Ltd. | 1373 |
5 |
BASF Corporation | 2039 |
4 |
Newsouth Innovations Pty Limited | 567 |
4 |
Alantum Europe GmbH | 30 |
3 |
Chevron Phillips Chemical Company LP | 1779 |
3 |
Intercontinental Great Brands LLC | 1574 |
3 |
Korea Institute of Energy Research | 803 |
3 |
Praxair Technology, Inc. | 1367 |
3 |
Wanhua Chemical Group Co., Ltd. | 286 |
3 |
Haldor Topsøe A/S | 698 |
3 |
Kohodo Hydrogen Energy Pty Ltd | 7 |
3 |
Shell Internationale Research Maatschappij B.V. | 3792 |
2 |
Sumitomo Electric Industries, Ltd. | 14131 |
2 |
Hyundai Motor Company | 19021 |
2 |
NGK Insulators, Ltd. | 4589 |
2 |
Other owners | 163 |