- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/04 - Alkali metals
Patent holdings for IPC class B01J 23/04
Total number of patents in this class: 514
10-year publication summary
37
|
42
|
29
|
47
|
37
|
54
|
51
|
25
|
45
|
12
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Chemical UK Limited | 106 |
13 |
Mitsubishi Chemical Corporation | 4313 |
11 |
Scientific Design Company, Inc. | 131 |
11 |
SABIC Global Technologies B.V. | 4044 |
10 |
Crystaphase Products, Inc. | 54 |
9 |
Neste Oyj | 686 |
9 |
LG Chem, Ltd. | 17205 |
6 |
ExxonMobil Research And Engineering Company | 2830 |
6 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
6 |
Petroleo Brasileiro S.A. - Petrobras | 730 |
6 |
Honeywell International Inc. | 13799 |
5 |
BASF Corporation | 2039 |
5 |
Mitsui Chemicals, Inc. | 3134 |
5 |
Arkema France | 3790 |
5 |
Commonwealth Scientific and Industrial Research Organisation | 1652 |
5 |
Johnson Matthey Public Limited Company | 1852 |
5 |
Lummus Technology LLC | 365 |
5 |
BASF SE | 19740 |
4 |
Clariant International Ltd. | 978 |
4 |
Korea Research Institute of Chemical Technology | 1266 |
4 |
Other owners | 380 |