Patent ID: 6402857
Filing Date: 2002-06-11
Classification: C11D,C23G

Abstract:
A solvent mixture for use in a vapor degreasing system, said solvent mixture comprising:(a) about 85 wt. % to less than about 96.5 wt. % n-propyl bromide; (b) about 3.5 wt. % to less than about 15 wt. % of a mixture of low boiling solvents, said mixture of low boiling solvents comprising nitromethane, 1,2-butylene oxide, and 1,3-dioxolane; and (c) the balance being at least one additive selected from the group consisting of sec-butanol, ethanol, and methanol, provided that sec-butanol comprises 0 wt. % to about 3 wt. % of said solvent mixture.