METHOD FOR MANUFACTURING COLORED ARTICLE AND MOBILE PHONE CASE - BEIJING HUAYU CHUANGXIN TA NB SCIENCE & TECH CO LTD

Title:

METHOD FOR MANUFACTURING COLORED ARTICLE AND MOBILE PHONE CASE

Document Type and Number:

WIPO Patent Application WO/2022/063230

Kind Code:

A1

Abstract:

A method for manufacturing a colored article, comprising the following steps: (1) providing an article substrate; and (2) using an anodic oxidation method and/or a molten salt electrochemical method to perform surface treatment on the article substrate. The article substrate is made of a material selected from tantalum, niobium, a tantalum-niobium alloy, titanium and titanium alloy. Preferably, the colored article is a colored mobile phone case.

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Inventors:

LIU YUZHONG (CN)

Application Number:

PCT/CN2021/120331

Publication Date:

March 31, 2022

Filing Date:

September 24, 2021

Export Citation:

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Assignee:

BEIJING HUAYU CHUANGXIN TA NB SCIENCE & TECH CO LTD (CN)
BEIJING HUAYU CHUANGXIN SCIENCE & TRADE CO LTD (CN)

International Classes:

C25D11/26

Domestic Patent References:

WO2017116291A1

2017-07-06

Foreign References:

CN1844483A	2006-10-11
CN85101505A	1986-08-27
CN86102269A	1987-10-28
CN101717982A	2010-06-02
CN107201540A	2017-09-26
CN102115902A	2011-07-06
CN102808209A	2012-12-05
CN1006791B	1990-02-14
CN105970270A	2016-09-28
CN107567217A	2018-01-09

Attorney, Agent or Firm:

ZHONGZI LAW OFFICE (CN)

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