- 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: 174
10-year publication summary
|
16
|
17
|
13
|
14
|
17
|
18
|
15
|
13
|
12
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omya International AG | 774 |
12 |
| Mitsui Chemicals, Inc. | 3215 |
9 |
| Mitsubishi Heavy Industries, Ltd. | 8715 |
6 |
| China Petroleum & Chemical Corporation | 1903 |
5 |
| BASF SE | 20933 |
4 |
| Murata Manufacturing Co., Ltd. | 24526 |
4 |
| Cataler Corporation | 574 |
4 |
| RGF Environmental Group, Inc. | 87 |
4 |
| SMH Co., Ltd | 21 |
4 |
| Sumitomo Chemical Company, Limited | 9046 |
3 |
| Cosmo Oil Co., Ltd. | 207 |
3 |
| Reliance Industries Limited | 450 |
3 |
| The University of Tokyo | 4176 |
3 |
| Lummus Technology LLC | 441 |
3 |
| Sinopec (Beijing) Research Institute of Chemical Industry Co., Ltd. | 66 |
3 |
| Samsung Electronics Co., Ltd. | 146092 |
2 |
| Centre National de La Recherche Scientifique | 10418 |
2 |
| BASF Corporation | 1720 |
2 |
| DSM IP Assets B.V. | 5591 |
2 |
| Dow Global Technologies LLC | 10363 |
2 |
| Other owners | 94 |