Patent ID: 6121219
Filing Date: 2000-09-19
Classification: C11D

Abstract:
A low foaming acid cleaner composition, the composition comprising:(a) about 1 to 80 wt % of phosphoric acid(b) about 0.1 to 40 wt % of an organic carboxylic acid;(c) about 0.1 to 40 wt % of a solvent comprising a hydrocarbon ether functional group and a hydrocarbon alcohol functional group;(d) about 0.1 to 40 wt % of a phosphonate sequestrant; and(e) about 0.1 to 40 wt % of a quartemary amine composition comprising the formula:[NR.sub.1 R.sub.2 R.sub.3 R.sub.4 ].sup.+ X.sup.-wherein X is halogen or sulfate and one or two of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently organic C.sub.6 -C.sub.22 alkyl, alkyl phenyl or alkyl benzyl, and all others are C.sub.1 -C.sub.4 alkyl;wherein the composition has a pH of less than 5 and can remove either carbohydrate or proteinaceous soil from hard surfaces.