Patent ID: 7337788

Claim:
A method for flushing an uncured solvent-based paint from a spray-coating device, said method comprising contacting said uncured solvent-based paint with a composition containing less than about 5 weight percent water and comprising one or more organic solvents and at least one polymer, dissolved in said one or more organic solvents throughout said contacting and having functional groups selected from the group consisting of acid groups, amine groups and combinations and salts thereof for a time and at a temperature effective to disperse and remove said uncured solvent-based paint from said spray-coating device, wherein said composition comprises 30 to 50 weight % ketone, 35 to 55 weight % aromatic hydrocarbon, 1 to 10 weight % ester, 5 to 15 weight % alcohol, and 0.2 to 3 weight % of said polymer.