Patent ID: 7696142

Claim:
A method for providing a ready to use cleaning composition, the method comprising: (a) diluting a concentrate with water of dilution, the concentrate comprising: (i) an anionic surfactant; (ii) an alkanolamine; and (iii) a water hardness anti-precipitant mixture comprising between about 0.5 wt % and about 1.5 wt % maleic anhydride/olefin co-polymer and between about 0.001 wt % and about 10 wt % EO-PO co-polymer, the EO-PO co-polymer having the formula: (EO) x (PO) y (EO) x (PO) y (EO) x (PO) y (PO) y (EO) x (PO) y (EO) x (PO) y wherein EO is an ethylene oxide group, PO is a propylene oxide group, x is between about 10 to about 130 and y is between about 15 to about 70.