Patent ID: 6630434
Filing Date: 2003-10-07
Classification: C11D

Abstract:
A method of cleaning a food preparation unit having at least one substantially vertical surface having a baked food soil coating, the method comprising:(i) contacting the soil with a composition that is effective to adhere to the vertical surface for a period of time necessary to soften the soil for removal, the composition comprising, in an aqueous medium: (a) an effective amount of a rod micelle thickener composition sufficient to thicken the cleaner composition; (b) an effective cleaning amount of a lower alkyl glycol ether solvent; (c) an effective cleaning amount of a source of alkalinity; and (d) a hardness sequestering agent; the cleaning composition having a viscosity of at least 20 cP using a Brookfield LVT viscometer with a number C1 spindle at 60 rpm and at 21Â° C., to form a softened soil; and(ii) removing the softened soil.