- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 27/232 - Carbonates
Patent holdings for IPC class B01J 27/232
Total number of patents in this class: 189
10-year publication summary
|
17
|
13
|
14
|
18
|
18
|
16
|
13
|
12
|
16
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omya International AG | 777 |
11 |
| Mitsui Chemicals, Inc. | 3242 |
9 |
| China Petroleum & Chemical Corporation | 2147 |
9 |
| Sinopec (Beijing) Research Institute of Chemical Industry Co., Ltd. | 120 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 9115 |
6 |
| Cataler Corporation | 571 |
5 |
| BASF SE | 21303 |
4 |
| Murata Manufacturing Co., Ltd. | 25722 |
4 |
| RGF Environmental Group, Inc. | 85 |
4 |
| SMH Co., Ltd | 20 |
4 |
| Sumitomo Chemical Company, Limited | 8996 |
3 |
| DSM IP Assets B.V. | 5376 |
3 |
| Cosmo Oil Co., Ltd. | 183 |
3 |
| Reliance Industries Limited | 460 |
3 |
| The University of Tokyo | 4352 |
3 |
| Lummus Technology LLC | 486 |
3 |
| Samsung Electronics Co., Ltd. | 157557 |
2 |
| Centre National de La Recherche Scientifique | 11016 |
2 |
| BASF Corporation | 1682 |
2 |
| Dow Global Technologies LLC | 10930 |
2 |
| Other owners | 100 |