Tin stripping method

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United States of America Patent

PATENT NO 11180826
APP PUB NO 20190203319A1
SERIAL NO

16294043

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides an additive for tin stripping, comprising 0.1 to 20 wt % of copper corrosion inhibitor and 0.1 to 20 wt % of nickel corrosion inhibitor; wherein said weight percentage is based on the total weight of said additive. The present additive can be used with nitric acid conventionally used for metal-stripping for not only reducing the usage of nitric acid but also improving the efficiency of tin stripping. The present invention also provides a method for Tin recycle and a reaction tank for metal recycle. Both of them are favorable for satisfying the needs of metal recycle (especially, tin recycle) in the field.

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Patent Owner(s)

Patent OwnerAddress
UWIN NANOTECH CO LTDNEW TAIPEI

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hsu, Ching-Hsiang New Taipei, TW 185 2817

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