Patent ID: 9074170
Filing Date: 2015-07-07
Classification: B08B,C11D,C23G,H01L

Abstract:
1. A cleaning composition comprising at least one solvent, at least one corrosion inhibitor, at least one amine, and at least one quaternary base, wherein the corrosion inhibitor comprises a species selected from the group consisting of: N-ribosylpurine, guanosine, 2-aminopurine riboside, 2-methoxyadenosine, N-methyladenosine, N,N-dimethyladenosine, trimethylated adenosine, trimethyl N-methyladenosine, C-4′ -methyladenosine, 3-deoxyadenosine, methylated adenine, dimethylated adenine, N4,N4-dimethylpyrimidine-4,5,6-triamine, 4,5,6-triaminopyrimidine, allantoin, hydroxylated C—O—O—C dimers, C—C bridged dimers, ribose, methylated ribose, tetramethylated ribose, xylose, glucose, triaminopyrimidine, amino-substituted pyrimidines, and combinations thereof, and wherein the cleaning composition is substantially devoid of corrosion inhibiting metal halides.