- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/04 - Alkali metals
Patent holdings for IPC class B01J 23/04
Total number of patents in this class: 546
10-year publication summary
|
28
|
46
|
36
|
51
|
49
|
26
|
48
|
30
|
27
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Chemical UK Limited | 97 |
13 |
| Scientific Design Company, Inc. | 116 |
11 |
| SABIC Global Technologies B.V. | 4448 |
10 |
| LG Chem, Ltd. | 17741 |
9 |
| Mitsubishi Chemical Corporation | 4661 |
9 |
| Crystaphase Products, Inc. | 58 |
9 |
| Neste Oyj | 788 |
8 |
| Johnson Matthey Public Limited Company | 1737 |
7 |
| Petroleo Brasileiro S.A. - Petrobras | 906 |
7 |
| BASF SE | 21135 |
6 |
| ExxonMobil Research And Engineering Company | 2502 |
6 |
| Mitsui Chemicals, Inc. | 3232 |
6 |
| Mitsubishi Gas Chemical Company, Inc. | 3543 |
6 |
| Honeywell International Inc. | 13558 |
5 |
| Arkema France | 4172 |
5 |
| Lummus Technology LLC | 460 |
5 |
| Topsoe A/S | 982 |
5 |
| BASF Corporation | 1696 |
4 |
| China Petroleum & Chemical Corporation | 1993 |
4 |
| IFP Energies Nouvelles | 3012 |
4 |
| Other owners | 407 |