- 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 22/70 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using melts
Patent holdings for IPC class C23C 22/70
Total number of patents in this class: 14
10-year publication summary
1
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0
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0
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1
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0
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2
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1
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1
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Arizona Board of Regents on behalf of Arizona State University | 2226 |
3 |
Durferrit GmbH | 39 |
3 |
GM Global Technology Operations LLC | 13620 |
1 |
Purdue Research Foundation | 3277 |
1 |
BlueScope Steel Limited | 223 |
1 |
Kyoto University | 2732 |
1 |
Miba Frictec GmbH | 48 |
1 |
UChicago Argonne, LLC | 866 |
1 |
Livent USA Corp. | 58 |
1 |
Rtx Corporation | 8674 |
1 |
Other owners | 0 |