- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 27/055 - Sulfates with alkali metals, copper, gold or silver
Patent holdings for IPC class B01J 27/055
Total number of patents in this class: 107
10-year publication summary
|
6
|
11
|
13
|
11
|
8
|
11
|
8
|
2
|
5
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
7 |
| Dow Technology Investments LLC | 270 |
6 |
| ARQ Solutions, LLC | 43 |
5 |
| The Procter & Gamble Company | 22178 |
3 |
| Amazentis SA | 130 |
3 |
| Bio2Electric, LLC | 8 |
3 |
| China Petroleum & Chemical Corporation | 1623 |
3 |
| Johnson Matthey Public Limited Company | 1852 |
3 |
| Ecocatalytic Inc. | 20 |
3 |
| Topsoe A/S | 732 |
3 |
| LG Chem, Ltd. | 17205 |
2 |
| Dow Global Technologies LLC | 10147 |
2 |
| Chevron Phillips Chemical Company LP | 1779 |
2 |
| Chiyoda Corporation | 363 |
2 |
| Dowa ECO-SYSTEM Co., Ltd. | 51 |
2 |
| Instituto Mexicano Del Petroleo | 213 |
2 |
| Multisorb Technologies, Inc. | 190 |
2 |
| Saint-Gobain Ceramics & Plastics, Inc. | 812 |
2 |
| Solvay SA | 1181 |
2 |
| Zhejiang Huahai Pharmaceutical Co., Ltd. | 178 |
2 |
| Other owners | 48 |