| abstract |
The present invention describes a process of cleaning an enamel surface with anliquid acidic composition comprising an enamel safe acid wherein the pK a ofnsaid acid is 3.5 or higher; with the proviso that no mono-lower alkyl ethers ornphenyl ethers or benzyl ethers of diethylene glycol, wherein the lower alkyl is ofn2 to 6 carbon atoms, are present in said composition. The compositionnemployed in said process is safe to enamel. |