Highly pure aqueous hydrogen peroxide solutions, method for producing same and their use
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United States of America Patent
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Jul 15, 2003
Grant Date -
N/A
app pub date -
Oct 23, 2000
filing date -
Apr 21, 1998
priority date (Note) -
Expired
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Abstract
Disclosed are a highly pure aqueous hydrogen peroxide solution for use in the electronics industry and a process for the preparation of such solutions, which are essentially free from organics, which comprises catalytically converting hydrogen and oxygen, electrochemically reducing oxygen or electrolyzing an acidic ammonium sulfate solution, in each case in water and with the exclusion of organic compounds and materials which release such compounds.
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