Composite plated film and laminated film
US8673456B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Nov 14, 2006 |
| Grant date | Mar 18, 2014 |
| Priority date | — |
| Expiry date | Sep 8, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
It is provided a steel with composite plating film providing rust prevention over a long time period and a method of manufacturing thereof. A composite plating film 24 is formed on a metal material 21. The film 24 has a plating film 23 made of a sacrificial anode metal and photocatalyst particles 22 dispersed and fixed in the plating film 23. The photocatalyst particle has a main body composed of a photocatalyst and a semiconductor material supported thereon. The composite plating film 24 is formed on the surface of the metal material 21 by electroplating, hot-dipping, chemical plating or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.