- All sections
- C - Chemistrymetallurgy
- C23C - Coating metallic materialcoating material with metallic materialsurface treatment of metallic material by diffusion into the surface, by chemical conversion or substitutioncoating 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: 32
10-year publication summary
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3
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1
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2
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0
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1
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1
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3
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1
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1
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chemetall GmbH | 388 |
4 |
| Nihon Parkerizing Co., Ltd. | 291 |
4 |
| Atotech Deutschland GmbH | 528 |
3 |
| BASF SE | 21165 |
2 |
| Henkel AG & Co. KGaA | 10703 |
2 |
| Nippon Steel Corporation | 6751 |
2 |
| POSCO | 2153 |
2 |
| Hamilton Sundstrand Corporation | 5019 |
1 |
| The Regents of the University of Michigan | 4933 |
1 |
| Komatsu Ltd. | 4668 |
1 |
| Cotec Corporation | 2 |
1 |
| DIPSOL Chemicals Co., Ltd. | 60 |
1 |
| Hengdian Group Dmegc Magnetics Co., Ltd | 185 |
1 |
| JFE Steel Corporation | 7407 |
1 |
| Nippon Hyomen Kagaku Kabushiki Kaisha | 5 |
1 |
| Nippon Kazai Co., Ltd. | 3 |
1 |
| Poongsan Corporation | 63 |
1 |
| Procoat Tecnologías, S.L. | 15 |
1 |
| Hillebrand Chemicals GmbH | 3 |
1 |
| Shenzhen Hengzhaozhi Technology Co., Ltd. | 64 |
1 |
| Other owners | 0 |