- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 27/053 - Sulfates
Patent holdings for IPC class B01J 27/053
Total number of patents in this class: 296
10-year publication summary
|
26
|
25
|
22
|
18
|
14
|
12
|
19
|
15
|
10
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cataler Corporation | 573 |
27 |
| Chevron Phillips Chemical Company LP | 1861 |
17 |
| Mitsubishi Chemical Corporation | 4726 |
11 |
| E. I. du Pont de Nemours and Company | 3521 |
7 |
| Johnson Matthey Public Limited Company | 1761 |
6 |
| Umicore Shokubai Japan Co., Ltd. | 79 |
6 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12385 |
6 |
| Toyota Motor Corporation | 35857 |
5 |
| N.E. Chemcat Corporation | 188 |
5 |
| ARQ Solutions, LLC | 45 |
5 |
| Kao Corporation | 5078 |
4 |
| China Petroleum & Chemical Corporation | 2158 |
4 |
| Mitsubishi Power, Ltd. | 1833 |
4 |
| LG Chem, Ltd. | 17937 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
3 |
| Archer Daniels Midland Company | 1077 |
3 |
| Arkema France | 4246 |
3 |
| IFP Energies Nouvelles | 3098 |
3 |
| Lion Corporation | 737 |
3 |
| Monash University | 734 |
3 |
| Other owners | 168 |