Patent ID: 8940104
Filing Date: 2015-01-27
Classification: B08B,C11D,Y10T

Abstract:
1. A method of removing a bonding material from a substrate surface, said method comprising: providing a first substrate having a surface with the bonding material thereon; and contacting said bonding material with a cleaning composition to thereby remove at least a portion of said bonding material from said substrate surface, said cleaning composition comprising an alkylarylsulfonic acid and from about 2 to 15% by weight of an aliphatic alcohol, based upon the total weight of the composition taken as 100% by weight, dispersed or dissolved in a hydrocarbon solvent system, wherein said aliphatic alcohol is selected from the group consisting of ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, 2-methyl-1-propanol, 2-methyl-2-propanol, allyl alcohol, 2-butyn-1-ol, 3-butyn-1-ol, 3-butyn-2-ol, 3-buten-1-ol, 3-buten-2-ol, 1-pentanol, 2-pentanol, 1-hexanol, and mixtures thereof.