Hydrogen peroxide compositions containing a substituted aminobenzaldehyde
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United States of America Patent
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Oct 24, 1989
Grant Date -
N/A
app pub date -
Jul 27, 1988
filing date -
Jul 27, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention is directed to a hydrogen peroxide solution stabilized by a substituted aminobenzaldehyde compound which is soluble in hydrogen peroxide. The stabilized hydrogen peroxide solution contains a mineral acid which is especially useful for etching a surface of a substrate such as a printed wiring board.
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