Electronic parts cleaning solution
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 29, 2002
Grant Date -
Feb 21, 2002
app pub date -
Feb 2, 2001
filing date -
Feb 4, 2000
priority date (Note) -
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Abstract
An electronic parts cleaning solution comprising a hydroxide, water, metal corrosion inhibitor, and at least one compound represented by the following general formula (I) or (II): HO--((EO)x-(PO)y)z-H (I) wherein, EO represents an oxyethylene group, PO represents an oxypropylene group, x and y represent integers satisfying the relation: x/(x+y)=0.05 to 0.4, and z represents a positive integer, R--[((EO)x-(PO)y)z-H]m (II) wherein, EO, PO, x, y and z are the same as in the general formula (I), R represents a residual group obtained by removing a hydrogen atom on a hydroxyl group of alcohol or amine having a hydroxyl group, or a residual group obtained by removing a hydrogen atom on an amino group of amine, and m represents an integer of 1 or more.
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