US Patent 11180826 Tin stripping method
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Patent abstract
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 Inventor Names
Ching-Hsiang Hsu0
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Patent Jurisdiction
Patent Number
111808260
Date of Patent
November 23, 2021
0Patent Application Number
162940430
Date Filed
March 6, 2019
0Official Website
Patent Primary Examiner
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US Patent 11180826 Tin stripping method
Infobox
Is a
Patent jurisdiction
Patent number
11180826
Date of patent
November 23, 2021
Patent application number
16294043
Date Filed
March 6, 2019
Patent primary examiner
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