- 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 22/67 - Treatment of aluminium or alloys based thereon with solutions containing hexavalent chromium
Patent holdings for IPC class C23C 22/67
Total number of patents in this class: 1
10-year publication summary
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
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This class
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|---|---|---|
| Henkel AG & Co. KGaA | 10129 |
1 |
| Other owners | 0 |