Patent · US Active

Metal composite and method of preparing the same

US9637835B2 · kind B2 · utility

0Cited by

4References

14Claims

0Family size

Assignee

BYD Company Limited · CN

Inventors

Chunnan Gao · Nanhu, CN
Liang Chen · Tangxia, CN

Key dates

Filing date	Jul 9, 2013
Grant date	May 2, 2017
Priority date	—
Expiry date	Jul 9, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC25D11/246
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A method of preparing a metal composite, comprising the steps of: forming an anodic oxidation layer on a surface of a metal substrate; forming a dye layer comprising a dye and a water soluble ink on the anodic oxidation layer, wherein the dye layer has a graduated thickness; and removing the water soluble ink.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.