- All sections
- C - Chemistry; metallurgy
- C23C - Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
- C23C 22/17 - Orthophosphates containing zinc cations containing also organic acids
Patent holdings for IPC class C23C 22/17
Total number of patents in this class: 33
10-year publication summary
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1
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3
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1
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2
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0
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0
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1
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3
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1
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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
|
|---|---|---|
| Atotech Deutschland GmbH | 566 |
5 |
| Chemetall GmbH | 381 |
4 |
| Nihon Parkerizing Co., Ltd. | 281 |
3 |
| BASF SE | 20387 |
2 |
| Nippon Steel Corporation | 5991 |
2 |
| POSCO | 2204 |
2 |
| Hamilton Sundstrand Corporation | 4719 |
1 |
| The Regents of the University of Michigan | 4570 |
1 |
| Komatsu Ltd. | 4423 |
1 |
| Henkel AG & Co. KGaA | 10343 |
1 |
| Cotec Corporation | 2 |
1 |
| DIPSOL Chemicals Co., Ltd. | 61 |
1 |
| Hengdian Group Dmegc Magnetics Co., Ltd | 150 |
1 |
| Henkel Kommanditgesellschaft auf Aktien | 206 |
1 |
| JFE Steel Corporation | 6538 |
1 |
| Nippon Hyomen Kagaku Kabushiki Kaisha | 5 |
1 |
| Nippon Kazai Co., Ltd. | 3 |
1 |
| Poongsan Corporation | 55 |
1 |
| Procoat Tecnologías, S.L. | 15 |
1 |
| Hillebrand Chemicals GmbH | 2 |
1 |
| Other owners | 1 |