Abstract: This invention provides a thickened aqueous hard surface cleaner composition comprising colloidal alumina as the thickener in an aqueous cleaner which comprises a surfactant, electrolyte/buffer, soap and organic solvent system. These cleaner composition systems, which are the fluent, all-purpose type of cleaners, have surprising properties when thickened with the colloidal alumina. Such cleaners when thickened with colloidal alumina have a smoothly flowable or plastic consistency, and in their most preferred form, are pourable at room temperature, which consistency is not thixotropic in nature.

Abstract: This invention provides a thickened aqueous hard surface abrasive scouring cleanser having improved cleaning efficacy due to the presence of an organic solvent in the composition. It has surprisingly been found that an organic solvent can be included in an abrasive, surfactant, electrolyte/buffer, soap and colloidal alumina thickened composition without causing the system to become unstable. The abrasive cleanser of this invention has a smoothly flowable or plastic, preferably pourable, consistency and has stable abrasive-suspension characteristics over long periods of time.

Abstract: The present invention discloses various embodiments and examples of a thickened aqueous abrasive cleanser capable of maintaining a smoothly flowable or plastic consistency over long periods of time. The cleanser is characterized by the ability to stably suspend abrasives while exhibiting excellent shelf stability over long periods of time with substantially no syneresis and being suitable for use where environmental requirements prevent the use of phosphates. This cleaner has the following ingredients:(a) a colloidal alumina thickener having an average particle size, in dispersion, of no more than about one micron;(b) an electrolyte/buffer;(c) a surfactant system including two surfactant components, one surfactant component comprising a fatty acid anionic surfactant, the other surfactant component comprising a selected bleach-stable surfactant or mixed surfactant;(d) a bleach; and(e) a particulate abrasive having an average particle size of about one to as much as 400 microns to provide scouring action.

Abstract: The invention provides a thickened aqueous abrasive scouring cleanser containing bleach which is capable of stably suspending abrasives, has excellent bleach half-life stability, little or no syneresis and maintains these advantages over extended times and at elevated temperatures.In one embodiment of the inventive cleansers is provided a hard surface abrasive scouring cleanser comprising:(a) a colloidal aluminum oxide thickener having average particle size, in dispersion, of no greater than about 1 micron;(b) an electrolyte/buffer to promote the environment in which the aluminum oxide and surfactant can associate to provide proper rheology;(c) at least one surfactant which can, in association with the aluminum oxide, provide proper rheology and cleaning;(d) a halogen bleach; and(e) a particulate abrasive having average particle size of about 1 to 400 microns to provide scouring action.

Abstract: The invention provides a thickened aqueous abrasive scouring cleanser containing bleach which is capable of stably suspending abrasives, has excellent shelf stability for a commercially feasible product with substantially no syneresis, does not require shaking before use, and maintains these advantages over extended times and at elevated temperatures.The inventive cleansers comprise generally the following ingredients:(a) hydrated aluminum oxide;(b) an electrolyte/buffer;(c) at least one surfactant;(d) a bleach; and(e) a particulate abrasive.