Galvanized member
US12037689B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jun 28, 2019 |
| Grant date | Jul 16, 2024 |
| Priority date | — |
| Expiry date | May 24, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23G1/10
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The galvanized member includes a member formed of a metal and a hot-dip galvanized layer formed on the surface of the member. The hot-dip galvanized layer contains a sulfate salt having a higher water solubility than calcium sulfate. A sulfate salt content of the hot-dip galvanized layer is preferably 0.008 to 0.133 mol based on 100 g of zinc. The sulfate salt contained in the hot-dip galvanized layer is preferably at least one of potassium sulfate, sodium sulfate, magnesium sulfate, calcium sulfate, ferric sulfate, ferrous sulfate, lithium sulfate, calcium sulfate, and aluminum sulfate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.