- 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: 94
10-year publication summary
|
6
|
2
|
6
|
4
|
4
|
5
|
7
|
5
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17706 |
20 |
| Dow Global Technologies LLC | 10571 |
9 |
| Asahi Kasei Chemicals Corporation | 622 |
5 |
| BASF SE | 21098 |
4 |
| Celanese International Corporation | 914 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3542 |
2 |
| Shell Oil Company | 2133 |
2 |
| Rohm and Haas Company | 2936 |
2 |
| Mitsubishi Chemical Corporation | 4612 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3798 |
2 |
| Japan Technological Research Association of Artificial Photosynthetic Chemical Process | 59 |
2 |
| ENEOS Corporation | 643 |
2 |
| Promethium Limited | 2 |
2 |
| Samsung Electronics Co., Ltd. | 149198 |
1 |
| LG Electronics Inc. | 73825 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8900 |
1 |
| Centre National de La Recherche Scientifique | 10706 |
1 |
| FUJIFILM Corporation | 29839 |
1 |
| BASF AG | 175 |
1 |
| Babcock-Hitachi Kabushiki Kaisha | 101 |
1 |
| Other owners | 30 |