- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 25/22 - Preparation by reacting phosphate containing material with an acid, e.g. wet process
Patent holdings for IPC class C01B 25/22
Total number of patents in this class: 93
10-year publication summary
|
3
|
6
|
7
|
0
|
6
|
7
|
4
|
12
|
7
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Prayon Technologies | 48 |
12 |
| Easymining Sweden AB | 74 |
11 |
| Cytec Industries Inc. | 408 |
5 |
| Ecophos | 7 |
5 |
| Cytec Technology Corp. | 259 |
4 |
| Kinki University | 249 |
4 |
| Jesa Technologies LLC | 7 |
4 |
| Luossavaara-Kiirunavaara AB | 131 |
3 |
| Université Mohammed VI Polytechnique | 60 |
3 |
| Ecolab USA Inc. | 5807 |
2 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1268 |
2 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1226 |
2 |
| OCP S.A. | 88 |
2 |
| PRAYON, société anonyme | 48 |
2 |
| Regents of the University of Minnesota | 2792 |
2 |
| REMONDIS Aqua GmbH & Co. KG | 20 |
2 |
| Urtek, LLC | 9 |
2 |
| Susphos B.V. | 8 |
2 |
| Siemens AG | 24011 |
1 |
| Konica Minolta, Inc. | 9134 |
1 |
| Other owners | 22 |