Patent ID: 7402552

Claim:
A method for cleaning residue from a substrate, which comprises the step of: applying a cleaning composition to said substrate, wherein said composition consists of: (a) water; (b) at least one hydroxylammonium compound; (c) at least one basic compound, and (d) at least one organic carboxylic acid selected from the group consisting of: lactic acid, citric acid, formic acid, oxalic acid, acetic acid, propionic acid, valeric acid, isovaleric acid, malonic acid, succinic acid, glutaric acid, maleic acid, fumaric acid, phthalic acid, 1,2,3-benzenetricarboxylic acid, glycolic acid, salicylic acid, tartaric acid, and gluconic acid, wherein said carboxylic acid is present in an amount between about 0.01 wt. % to 10 wt. % based on the total weight of the composition.