Method for imparting hydrogen resistance to articles

Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Depositing predominantly single metal or alloy coating on...

Reexamination Certificate

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C204S291000, C204S296000

Reexamination Certificate

active

07972491

ABSTRACT:
A simple and low cost method for imparting excellent hydrogen resistance to various types of articles such as a rare earth metal-based permanent magnet. A method for imparting hydrogen resistance to an article of the present invention is characterized by forming a metal coating film by pulse plating on the surface of the article.

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“Plating Technology” (Dian Du II Shu), Cheng Du Shi Ke Ji Jiao Liu Zhan Biao Mian Chu Li Yan Jiu Hui, Nov. 30, 1982, pp. I, 1-2, 243-244, 256-257 (with English translation of the descriptions).
Chinese Office Action dated Mar. 27, 2009.

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