- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/31 - Chromium, molybdenum or tungsten combined with bismuth
Patent holdings for IPC class B01J 23/31
Total number of patents in this class: 99
10-year publication summary
|
2
|
6
|
4
|
4
|
5
|
7
|
7
|
6
|
3
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17978 |
20 |
| Dow Global Technologies LLC | 11051 |
11 |
| Asahi Kasei Chemicals Corporation | 541 |
5 |
| BASF SE | 21318 |
4 |
| Celanese International Corporation | 912 |
3 |
| NOVA Chemicals (International) S.A. | 805 |
3 |
| Rohm and Haas Company | 2941 |
2 |
| Mitsubishi Chemical Corporation | 4757 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
2 |
| Japan Technological Research Association of Artificial Photosynthetic Chemical Process | 53 |
2 |
| ENEOS Corporation | 720 |
2 |
| Promethium Limited | 2 |
2 |
| Samsung Electronics Co., Ltd. | 159298 |
1 |
| LG Electronics Inc. | 76219 |
1 |
| Shell Internationale Research Maatschappij B.V. | 3391 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 9231 |
1 |
| Centre National de La Recherche Scientifique | 11122 |
1 |
| FUJIFILM Corporation | 30774 |
1 |
| BASF AG | 117 |
1 |
| Sumitomo Chemical Company, Limited | 8989 |
1 |
| Other owners | 33 |