Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Cheng-Chen Hsueh0
Cheng-Yuan Tsai0
Chih-Lung Lin0
Date of Patent
September 6, 2011
0Patent Application Number
117037520
Date Filed
February 8, 2007
0Patent Primary Examiner
Patent abstract
A wet cleaning solution, comprising 0.01-3 wt % of an amphoteric imidazolium surfactant capable of forming a complex with metal ions, a pH adjuster, and balanced deionized water. The wet cleaning solution is substantially free of corrosion inhibitor other than the imidazolium amphoteric surfactant.
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