Patent ID: 6524392
Filing Date: 2003-02-25
Classification: C11D

Abstract:
A method comprising water-jetting, to a hard surface having deposits, an aqueous abrasive cleaning formulation consisting of:(a) an abrasive selected from the group consisting of (i) sodium bicarbonate, (ii) sodium chloride, (iii) sodium sulfate, (iv) sugar, and (v) mixtures thereof, and (b) a dispersant selected from the group consisting of (i) polysuccinimides, (ii) polyaspartic acids, (iii) salts of polyaspartic acids, (iv) homopolymers or copolymers of acrylic acid, and (iv) mixtures thereof, and thereby cleaning the hard surface, wherein the abrasive cleaning formulation does not include formulations that contain only sodium bicarbonate and a dispersant selected from the group consisting of polyaspartic acid, and salts of polyaspartic acids.