Patent ID: 9329486
Filing Date: 2016-05-03
CPC Classification: C11D,G03F

Claim Text:
1. A solution comprising: dimethylsulfoxide; a quaternary ammonium hydroxide present in an amount from about 1% by weight to about 7% by weight for a total weight of the solution; an alkanolamine having at least two carbon atoms and including at least one amino substituent and at least one hydroxyl substituent, and the at least one amino substituent and the at least one hydroxyl substituent are attached to different carbon atoms of the alkanolamine; less than 3% by weight water for the total weight of the solution; a secondary solvent comprising an alcohol, a polyhydroxyl compound, or a combination thereof, and optionally a glycol ether compound, wherein the alcohol and polyhydroxyl compound do not contain ether, amine, or ester linkages; and a fluorosurfactant present in an amount from about 0.01% by weight to about 3% by weight of the total weight of the solution.