- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 27/25 - Nitrates
Patent holdings for IPC class B01J 27/25
Total number of patents in this class: 98
10-year publication summary
|
7
|
10
|
7
|
5
|
10
|
8
|
4
|
5
|
10
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 22151 |
10 |
| King Fahd University of Petroleum and Minerals | 1007 |
4 |
| SMH Co., Ltd | 22 |
4 |
| LG Chem, Ltd. | 17637 |
3 |
| Lummus Technology LLC | 391 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3721 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8531 |
2 |
| Shell Oil Company | 2153 |
2 |
| ExxonMobil Chemical Patents Inc. | 4115 |
2 |
| Mitsubishi Chemical Corporation | 4446 |
2 |
| Korea Institute of Science and Technology | 2070 |
2 |
| Asahi Kasei Chemicals Corporation | 721 |
2 |
| Clean Diesel Technologies, Inc. | 71 |
2 |
| Johnson Matthey Public Limited Company | 1851 |
2 |
| Korea Gas Corporation | 109 |
2 |
| North China Electric Power University (baoding) | 18 |
2 |
| Rentech, Inc. | 42 |
2 |
| SCG Chemicals Co., Ltd. | 161 |
2 |
| Tokyo Institute of Technology | 1388 |
2 |
| Tsubame Bhb Co., Ltd. | 12 |
2 |
| Other owners | 44 |