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The present invention describes liquid acidic cleaning compositions suitable for cleaning bathroom surfaces comprising a homo- or copolymer or vinylpyrrolidone, or a mixture thereof, a polysaccharide polymer, or a mixture thereof, an anionic surfactant, and an acid. These compositions deliver improv

The present invention describes liquid acidic cleaning compositions suitable for cleaning bathroom surfaces comprising a homo- or copolymer or vinylpyrrolidone, or a mixture thereof, a polysaccharide polymer, or a mixture thereof, an anionic surfactant, and an acid. These compositions deliver improved shine to the treated surface as well as improved next-time cleaning benefit on said surface.

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The present invention describes liquid acidic cleaning compositions suitable for cleaning bathroom surfaces comprising a homo- or copolymer or vinylpyrrolidone, or a mixture thereof, a polysaccharide polymer, or a mixture thereof, an anionic surfactant, and an acid. These compositions deliver improv

The present invention describes liquid acidic cleaning compositions suitable for cleaning bathroom surfaces comprising a homo- or copolymer or vinylpyrrolidone, or a mixture thereof, a polysaccharide polymer, or a mixture thereof, an anionic surfactant, and an acid. These compositions deliver improved shine to the treated surface as well as improved next-time cleaning benefit on said surface. li-metal-ion conducting ceramic as in claim 1 wherein the alkali metal comprises at least one of sodium, or potassium. 9. A process for forming ceramic composites of an oxygen-ion conducting ceramic and an alkali-metal-ion conducting ceramic; forming a shaped composite comprising a precursor ceramic of α-X2O3and oxygen-ion conducting ceramic, such that a continuous matrix exists in the composite for both the precursor ceramic and the oxygen-ion conducting ceramic, subjecting the composite in the presence of a stabilizer to a vapor containing metal oxide of an alkali metal at sufficient temperature and for sufficient time to convert precursor ceramic into a continuous phase of alkali-metal-ion conducting ceramic comprising β"-X2O3,where X comprises at least one of Al, or Ga, the stabilizer inhibiting the transformation of the β"-X2O3to β-X2O3. 10. A process for forming ceramic composites of an oxygen-ion conducting ceramic and an alkali-metal-ion conducting ceramic as in claim 9 wherein the stabilizer comprises at lease one of MgO, Li2O, or ZnO. 11. A process for forming ceramic composites of an oxygen-ion conducting ceramic and an alkali-metal-β- or β"-alumina comprising; forming a shaped composite comprising α-alumina and oxygen-ion conducting ceramic, such that a continuous matrix exists in the composite for both the αalumina, and the oxygen-ion conducting ceramic, subjecting the composite to a vapor containing metal oxide of an alkali metal at sufficient temperature and for sufficient time to convert α-alumina into a continuous phase of alkali-metal-β-alumina or alkali-metal-β"-alumina. 12. A process for forming ceramic composites of an oxygen-ion conducting ceramic and an alkali-metal-β- or β"-alumina as in claim 11 wherein the composite is subjected to a temperature greater than about 800° C. 13. A process for forming ceramic composites of an oxygen-ion conducting ceramic and an alkali-metal-β- or β"-alumina as in claim 11 wherein the composite is subjected to a temperature between about 1200° C. and 1500° C. 14. A process for forming ceramic composites of an oxygen-ion conducting ceramic and an alkali-metal-β- or β"-alumina as in claim 11 wherein the shaped composite of α-alumina and the oxygen-ion conductor is embedded in a powder that releases the vapor containing the alkali-metal oxide at the temperature to which the shaped composite of α-alumina and the oxygen-ion conductor is subjected. 15. A process for forming ceramic composites of an oxygen-ion conducting ceramic and an alkali-metal-β- or β"-alumina as in claim 11 wherein the alkali metal comprises at least one of lithium, sodium, potassium, rubidium, or caesium. 16. A process for forming ceramic composites of an oxygen-ion conducting ceramic and an alkali-metal-β- or β"-alumina as in claim 11 wherein the alkali metal comprise at least one of sodium, and potassium. 17. A process for forming ceramic composites, of an oxygen-ion conducting ceramic and an alkali-metal-β- or β"-alumina as in claim 11 wherein the alkali metal comprises sodium, the vapor comprises an oxide of sodium, and the α-alumina is converted to sodium β- or β"-alumina. 18. A process for forming ceramic composites of an oxygen-ion conducting ceramic and an alkali-metal-β- or β"-alumina as in claim 11 wherein the alkali metal comprises potassium, the vapor comprises an oxide of potassium, and the β-alumina is converted to potassium β- or β"-alumina. 19. A process for forming ceramic composites of an oxygen-ion conducting ceramic and an alkali-metal-β- or β"-alumina as in claim 11 wherein the vapor also contains a stabilizer to inhibit transformation of β"-alumina to β-alumina and the α-alumina is converted to alkali-metal-β"-alumina. 20. A process for forming ceramic composites of an oxygen-ion conducting ceramic and an alkali-metal-β- or β"-alum