Rose-gold-colored copper alloy and vehicle interior material using the same
US11525171B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Nov 12, 2019 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | May 7, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C9/04
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A vehicle interior material made of a rose-gold-colored copper alloy may include 0.07 to 0.21 wt % of aluminum (Al), 0.06 to 0.19 wt % of magnesium (Mg), 0.17 to 0.52 wt % of zinc (Zn), and a balance of copper (Cu) and unavoidable impurities, wherein the sum of the aluminum (Al), the magnesium (Mg), and the zinc (Zn) is 0.5 to 1.5 at %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.