Composition and process for treating plastics with alkaline permanganate solutions
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United States of America Patent
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Jun 3, 1986
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N/A
app pub date -
Jun 7, 1984
filing date -
Jun 7, 1984
priority date (Note) -
Expired
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Abstract
An improved alkaline permanganate composition for etching printed circuit boards is provided by incorporating a secondary oxidant in the solution capable of oxidizing manganate ion to permanganate ion.
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