- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 25/41 - Polyphosphates of alkali metals
Patent holdings for IPC class C01B 25/41
Total number of patents in this class: 18
10-year publication summary
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0
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2
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1
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0
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0
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1
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2
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1
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4
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17665 |
1 |
| Fujitsu Limited | 18424 |
1 |
| Empire Technology Development LLC | 1622 |
1 |
| Amorphical Ltd. | 62 |
1 |
| Contemporary Amperex Technology Co., Limited | 5525 |
1 |
| Guangdong Brunp Recycling Technology Co., Ltd | 999 |
1 |
| Hengdian Group Dmegc Magnetics Co., Ltd | 159 |
1 |
| Hunan Brunp Recycling Technology Co., Ltd. | 960 |
1 |
| ICL Performance Products LP | 13 |
1 |
| K-technologies, Inc. | 13 |
1 |
| Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen | 299 |
1 |
| Rhone-Poulenc Chimie de Base | 4 |
1 |
| Sumitomo Metal Mining Co., Ltd. | 1737 |
1 |
| ICL Specialty Products Inc. | 72 |
1 |
| ArrMaz Products Inc. | 65 |
1 |
| Yunnan Addiphos Technology Co., Ltd. | 5 |
1 |
| Yichang Brunp Contemporary Amperex Co., Ltd. | 17 |
1 |
| Yichang Brunp Recycling Technology Co., Ltd. | 31 |
1 |
| Other owners | 0 |