- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 25/168 - Pyrophosphorous acidSalts thereof
Patent holdings for IPC class C01B 25/168
Total number of patents in this class: 13
10-year publication summary
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1
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1
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0
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1
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0
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0
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2
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0
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3
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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
|
|---|---|---|
| Conopco, Inc. | 5023 |
2 |
| Evonik Operations GmbH | 4105 |
2 |
| Unilever IP Holdings B.V. | 3100 |
2 |
| Samsung Electronics Co., Ltd. | 146092 |
1 |
| Centre National de La Recherche Scientifique | 10418 |
1 |
| Institut National Polytechnique de Toulouse | 205 |
1 |
| Nanunanu Ltd. | 1 |
1 |
| Universite Paul Sabatier Toulouse III | 476 |
1 |
| Lanxess Solutions US, Inc. | 107 |
1 |
| Buseong Polycom Co., Ltd. | 2 |
1 |
| Other owners | 0 |