- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 27/232 - Carbonates
Patent holdings for IPC class B01J 27/232
Total number of patents in this class: 160
10-year publication summary
|
17
|
16
|
17
|
13
|
14
|
18
|
18
|
15
|
13
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omya International AG | 816 |
11 |
| Mitsui Chemicals, Inc. | 3134 |
8 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
6 |
| BASF SE | 19740 |
5 |
| Murata Manufacturing Co., Ltd. | 22355 |
4 |
| RGF Environmental Group, Inc. | 88 |
4 |
| SMH Co., Ltd | 22 |
4 |
| BASF Corporation | 2039 |
3 |
| Sumitomo Chemical Company, Limited | 8808 |
3 |
| Cataler Corporation | 533 |
3 |
| China Petroleum & Chemical Corporation | 1623 |
3 |
| Cosmo Oil Co., Ltd. | 221 |
3 |
| Reliance Industries Limited | 432 |
3 |
| The University of Tokyo | 3903 |
3 |
| Lummus Technology LLC | 365 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Massachusetts Institute of Technology | 9795 |
2 |
| DSM IP Assets B.V. | 5856 |
2 |
| Dow Global Technologies LLC | 10147 |
2 |
| Clean Diesel Technologies, Inc. | 74 |
2 |
| Other owners | 84 |