- 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: 87
10-year publication summary
|
2
|
6
|
6
|
0
|
5
|
5
|
3
|
9
|
7
|
5
|
| 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 | 70 |
10 |
| Cytec Industries Inc. | 395 |
5 |
| Ecophos | 7 |
5 |
| Cytec Technology Corp. | 267 |
4 |
| Kinki University | 244 |
4 |
| Jesa Technologies LLC | 7 |
4 |
| Ecolab USA Inc. | 5691 |
2 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1248 |
2 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1217 |
2 |
| OCP S.A. | 84 |
2 |
| Regents of the University of Minnesota | 2770 |
2 |
| REMONDIS Aqua GmbH & Co. KG | 20 |
2 |
| Urtek, LLC | 9 |
2 |
| Université Mohammed VI Polytechnique | 53 |
2 |
| Susphos B.V. | 8 |
2 |
| Siemens AG | 24329 |
1 |
| Konica Minolta, Inc. | 8993 |
1 |
| Chemetics Inc. | 67 |
1 |
| Coatex S.A.S. | 221 |
1 |
| Other owners | 21 |