US Patent 11174555 Chromium-free plating-on-plastic etch
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Patent abstract
The present invention relates to a chrome free etch for plating on plastic processes, wherein plastic surfaces are contacted in a first etching step with an etching solution at least comprising Mn(IV)-ions and, in a second etching step, with a solution at least comprising Mn(III)- and Mn(VII)-ions prior to the metal plating step.
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Patent Jurisdiction
Patent Number
111745550
Date of Patent
November 16, 2021
0Patent Application Number
164611100
Date Filed
November 22, 2017
0Official Website
Patent Primary Examiner
Edits on 26 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
111745550
Date of Patent
November 16, 2021
0Patent Application Number
164611100
Date Filed
November 22, 2017
0Official Website
Patent Primary Examiner
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US Patent 11174555 Chromium-free plating-on-plastic etch
Infobox
Is a
Patent jurisdiction
Patent number
11174555
Date of patent
November 16, 2021
Patent application number
16461110
Date Filed
November 22, 2017
Patent primary examiner
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