Paste gold and golden ornaments
US6428880B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2001 |
| Grant date | Aug 6, 2002 |
| Priority date | — |
| Expiry date | Jan 19, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24926
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A gold paste for painting glass or a ceramic, exhibits gold color by being sintered. The gold paste comprises metal components having a metal composition within the following range: gold 82.0-99.1% by weight, bismuth 5.0-0.4% by weight, silicon 3.0-0.2% by weight, and the total amount of zirconium and/or aluminum 10.0-0.3% by weight.According to this, it is possible to provide a gold paste making it possible to form a gold-decorated portion which does not generates conductivity, neither generates spark nor is damaged even if it is exposed to a microwave that a microwave oven emits, is good in a massive feel and development of gold color, and has high-class feeling; and a gold-decorated product using this paste.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.