Compositions and methods for disinfecting hard surfaces

1. A hard surface treatment composition effective in providing Poliovirus (Type I) reduction consisting of:

ethanol in an amount of from about 45-70% wt.;

0.01-5% wt. of a pH adjusting agent such that the pH range of the composition is from about 7.0 to about 13.0;

and water;

and further, optionally, one or more constituents selected from the group consisting of: corrosion inhibitors, perfumes, perfume carriers, deodorants, organic solvents, surfactants other than quaternary ammonium compounds which act as germicides, propellants, pH buffers, organic acids, fungicides, film-forming polymers and anti-oxidants;

and further optionally one or more antimicrobials selected from the group consisting of: phenolic compounds such as o-phenylphenol, o-benzyl-p-chlorophenol and 4-tertamylphenol; 2,6-dimethyl-4-hydroxychlorobenzene; 3,4,4′-trichlorocarbanilide; 3-trifluoromethyl-4,4′-dichlorocarbanilide; 2,2′-dihydroxy-3,3′,5,5′,6,6′-hexachlorodiphenylmethane; 2,2′-dihydroxy-3,3′,5,5′-tetrachlorodiphenylmethane; 2,2′-dihydroxy-3,3′-dibromo-5,5′-dichlorodiphenylmethane; 2-hydroxy-4,4′-dichlorodiphenylether; 2-hydroxy-3,5′,4-tribromodiphenylether; and 1-hydroxy-4-methyl-6-(2.4.4-trimethylpentyl)-2(1H)pyridinone.

2. A hard surface treatment compositions according to claim 1 which comprises a propellant.

3. The composition according to claim 1 wherein the amount of ethanol is from about 50% wt. to about 70% wt.

4. The composition according to claim 3 wherein the amount of ethanol is from about 50% wt. to about 60% wt.

5. The composition according to claim 1 wherein the pH of the composition is from about 9 to about 12.

6. A hard surface treatment composition according to claim 1

characterized in that the hard surface treatment composition exhibits antimicrobial efficacy against one or more of: Entercoccus hirae, Aspergillus niger, T. mentagrophytes , Hepatitis A, Poliovirus Type 1, Coxsachievirus, Rotavirus, or Rhinovirus.

7. A hard surface treatment composition according to claim 1 characterized in that the said hard surface treatment composition provides at least 1 log 10 of Poliovirus (Type I) reduction.

8. A process for providing a disinfecting treatment of hard surfaces wherein the presence of one or more undesired microorganisms is suspected, which process comprises the step of applying an antimicrobially effective amount of a hard surface treatment composition according to claim 1 to the hard surfaces where the presence of undesired microorganisms selected from one or more of: Salmonella choleraesuis, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Entercoccus hirae, Aspergillus niger, T mentagrophytes , Hepatitis A, Poliovirus Type 1, Coxsachievirus, Rotavirus, or Rhinovirus is suspected.

9. A hard surface treatment composition effective in providing Poliovirus (Type I) reduction consisting of:

a mixture of isopropanol and ethanol in an amount of from about 45-70% wt.;

0.01-5% wt. of a pH adjusting agent such that the pH range of the composition is from about 7.0 to about 13.0;

and water;

and further, optionally, one or more constituents selected from the group consisting of: corrosion inhibitors, perfumes, perfume carriers, deodorants, organic solvents, surfactants other than quaternary ammonium compounds which act as germicides, propellants, pH buffers, organic acids, fungicides, film-forming polymers and anti-oxidants;

and further optionally one or more antimicrobials selected from the group consisting of: phenolic compounds such as o-phenylphenol, o-benzyl-p-chlorophenol and 4-tertamylphenol; 2,6-dimethyl-4-hydroxychlorobenzene; 3,4,4′-trichlorocarbanilide; 3-trifluoromethyl-4,4′-dichlorocarbanilide; 2,2′-dihydroxy-3,3′,5,5′,6,6′-hexachlorodiphenylmethane; 2,2′-dihydroxy-3,3′,5,5′-tetrachlorodiphenylmethane; 2,2′-dihydroxy-3,3′-dibromo-5,5′-dichlorodiphenylmethane; 2-hydroxy-4,4′-dichlorodiphenylether; 2-hydroxy-3,5′,4-tribromodiphenylether; and 1-hydroxy-4-methyl-6-(2.4.4-trimethylpentyl)-2(1H)pyridinone.

10. A hard surface treatment compositions according to claim 9 which comprises a propellant.

11. The composition according to claim 9 wherein the amount of the mixture of isopropanol and ethanol is from about 50% wt. to about 70% wt.

12. The composition according to claim 11 wherein the amount of the mixture of isopropanol and ethanol is from about 50% wt. to about 60% wt.

13. The composition according to claim 9 wherein the pH of the composition is from about 9 to about 12.

14. A hard surface treatment composition according to claim 9 characterized in that the hard surface treatment composition exhibits antimicrobial efficacy against one or more of: Entercoccus hirae, Aspergillus niger, T. mentagrophytes , Hepatitis A, Poliovirus Type 1, Coxsachievirus, Rotavirus, or Rhinovirus.

15. A hard surface treatment composition according to claim 9 characterized in that the said hard surface treatment composition provides at least 1 log 10 of Poliovirus (Type I) reduction.

16. A process for providing a disinfecting treatment of hard surfaces wherein the presence of one or more undesired microorganisms is suspected, which process comprises the step of applying an antimicrobially effective amount of a hard surface treatment composition according to claim 9 to the hard surfaces where the presence of undesired microorganisms selected from one or more of Salmonella choleraesuis, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Entercoccus hirae, Aspergillus niger, T. mentagrophytes , Hepatitis A, Poliovirus Type 1, Coxsachievirus, Rotavirus, or Rhinovirus is suspected.