Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hui Zhou0
Juventino Uriarte0
Ke Zhang0
Chai Zheng0
David C. Lewis0
Donald H. Champion0
Date of Patent
September 3, 2024
0Patent Application Number
172708810
Date Filed
July 29, 2019
0Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
The present disclosure provides a quaternary ammonium hydroxide solution comprising a reaction product of a polyamine and an organic oxirane. The quaternary ammonium hydroxide solution may be used in various applications, such as in removing chemical residue from a metal or dielectric surface.
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