Tin plating electrolyte composition and method for electroplating surfaces with tin
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United States of America Patent
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Apr 14, 2009
Grant Date -
Jun 14, 2007
app pub date -
Mar 24, 2005
filing date -
Mar 24, 2004
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Abstract
0-15, Nitrogen-bearing block polymer 1-6, said block polymer being a copolymer of propylene oxide and ethylene oxide with molecular weight of 3950 to 6450 and “number of ethylene oxide links-to-number of propylene oxide links” ratio of 1.4-1.2:1.0 at initial buildup of required number of links from propylene oxide followed by oxyethylation.
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