- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/644 - Arsenic, antimony or bismuth
Patent holdings for IPC class B01J 23/644
Total number of patents in this class: 110
10-year publication summary
|
5
|
5
|
9
|
10
|
9
|
10
|
5
|
5
|
9
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kao Corporation | 5080 |
9 |
| Johnson Matthey Public Limited Company | 1763 |
6 |
| Rohm and Haas Company | 2942 |
5 |
| Agc, Inc. | 5563 |
4 |
| Centre National de La Recherche Scientifique | 11055 |
3 |
| Sumitomo Chemical Company, Limited | 8963 |
3 |
| The Doshisha | 229 |
3 |
| Johnson Matthey Japan Godo Kaisha | 6 |
3 |
| BASF SE | 21310 |
2 |
| TDK Corporation | 6902 |
2 |
| Dow Global Technologies LLC | 10981 |
2 |
| Archer Daniels Midland Company | 1076 |
2 |
| BP Corporation North America Inc. | 750 |
2 |
| Celanese International Corporation | 912 |
2 |
| Central Glass Company, Limited | 1297 |
2 |
| Dowa Electronics Materials Co., Ltd. | 636 |
2 |
| IFP Energies Nouvelles | 3099 |
2 |
| Solvay SA | 946 |
2 |
| Sud-Chemie Inc. | 22 |
2 |
| Universite Claude Bernard Lyon 1 | 1081 |
2 |
| Other owners | 50 |