Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Reexamination Certificate
2005-02-01
2010-11-02
Del Cotto, Gregory R (Department: 1796)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
C510S175000, C510S245000, C510S255000, C510S265000, C510S266000, C510S493000, C510S499000, C510S500000, C510S501000
Reexamination Certificate
active
07825078
ABSTRACT:
Back end photoresist strippers and residue compositions are provided by non-aqueous compositions that are essentially non-corrosive toward copper as well as aluminum and that comprise a polar organic solvent, a hydroxylated amine, and as a corrosion inhibitor fructose.
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Del Cotto Gregory R
Mallinckrodt Baker Inc.
Ohlandt Greeley Ruggiero & Perle LLP
Rauchfuss, Jr. George W.
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