Aqueous compositions for treating a surface

• US 6,814,088 B2
• Filed: 10/09/2002
• Issued: 11/09/2004
• Est. Priority Date: 09/27/1999
• Status: Expired due to Fees

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Policicchio, Nicola John, Wolff, Ann Margaret, Sherry, Alan Edward, Barnabas, Mary Vijayarani
• Primary Examiner(s): Mruk, Brian P.
• Application Number:
  US10/267,266
• Publication Number:
  US 20030099570A1
• Time in Patent Office: 762 Days
• Field of Search: 510/238, 510/239, 510/240, 510/264, 510/413, 510/421, 510/470, 510/475, 510/499, 134/25.2, 134/25.3, 134/39, 134/40, 134/42
• US Class Current: 134/25.2
• CPC Class Codes: A47L 13/20 Mops
• CPC Class Codes: A47L 13/22 with liquid-feeding devices
• CPC Class Codes: A47L 13/256 for mops made of cloth
• CPC Class Codes: A47L 13/51 Storing of cleaning tools, e.g. containers therefor
• CPC Class Codes: B05B 9/0861 the motor being electric
• CPC Class Codes: B05B 9/0866 the pump being a gear, centrifugal or screw-type pump
• CPC Class Codes: C11D 1/662 Carbohydrates or derivatives
• CPC Class Codes: C11D 1/72 Ethers of polyoxyalkylene glycols
• CPC Class Codes: C11D 1/825 Mixtures of compounds all of which are non-ionic
• CPC Class Codes: C11D 1/94 Mixtures with anionic, cationic or non-ionic compounds
• CPC Class Codes: C11D 17/049 Cleaning or scouring pads; Wipes
• CPC Class Codes: C11D 2111/14 Hard surfaces
• CPC Class Codes: C11D 3/323 urea or derivatives thereof
• CPC Class Codes: C11D 3/3723 Polyamines or polyalkyleneimines
• CPC Class Codes: C11D 3/3792 Amine oxide containing polymers
• CPC Class Codes: C11D 3/48 Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
• CPC Class Codes: C11D 3/505 encapsulated or adsorbed on a carrier, e.g. zeolite or clay

Abstract

The present invention relates to a composition having a pH of less than about 7, for treating a hard surface comprising: at least one low residue surfactant and/or an alkyl ethoxylate surfactant; and a polymeric biguanide.

Claims

1. A composition for treating a hard surface comprising:

at least one of the following;

a low residue surfactant wherein said low-residue surfactant is selected from the group consisting of sulfobetaines, ampho glycinates, ampho propionates, betaines, poly alkyl glycosides, sucrose esters and mixtures thereof and an aliphatic alkyl ethoxylate surfactant; and

a polymeric biguanide wherein said composition has a pH of 7 or less.

2. The composition of claim 1 wherein the pH of said composition is from about 5 to 7, and said low residue surfactant is a C8-C16 alkyl poly glycoside.

3. The composition of claim 1 wherein said composition further comprises an organic acidifying agent.

4. The composition of claim 3 wherein said organic acidifying agent is selected from the group consisting of tartaric acid, lactic acid, citric acid and mixtures thereof.

5. The composition of claim 4 wherein said organic acidifying agent is citric acid.

6. The composition of claim 1 wherein said low-residue surfactant is selected from the group consisting of sulfobetaines, poly alkyl glycosides and mixtures thereof.

7. The composition of claim 1 wherein said aliphatic alkyl ethoxylate surfactant comprises from about 8 to about 18 carbon atoms in the hydrophobic chain length, and an average of about 1 to about 15 ethylene oxide moieties per surfactant molecule.

8. The composition of claim 1 wherein said polymeric biguanide is selected from the group consisting of oligo-hexamethylene biguanide, poly-hexamethylene biguanide, salt thereof and a mixture thereof.

9. The composition of claim 1, wherein said polymeric biguanide is poly (hexamethylene biguanide) hydrochloride.

10. The composition of claim 3 wherein said composition comprises from about 0.01% to about 0% by weight of said acidifying agent;

and wherein the level of said low-residue surfactant and/or said aliphatic alkyl ethoxylate surfactant is from about 0.01% to about 15% by weight;

the level of biguanide is from about 0.01% to about 20% by weight; and

the pH of the aqueous composition is from about 0.5 to 7.

11. The composition of claim 10 wherein the level of said organic acidifying agent is from about 0.01% to about 3.0% by weight;

the level of said low-residue surfactant and/or said aliphatic alkyl ethoxylate surfactant is from about 0.01% to about 1.5% by weight;

the level of said polymeric biguanide is from about 0.01% to about 2.0% by weight; and

the pH of the aqueous composition is from about 0.5 to 7.

12. The composition of claim 11, wherein the level of said organic acidifying agent is from about 0.05% to about 2.0% by weight;

the level of said low-residue surfactant and/or said aliphatic alkyl ethoxylate surfactant is from about 0.01% to about 1.0% by weight;

the level of said polymeric biguanide is from about 0.01% to about 1.0% by weight; and

the pH of the aqueous composition is from about 1.0 to about 6.0.

13. The composition of claim 12 wherein the level of said organic acidifying agent is from about 0.1% to about 1.0% by weight;

the level of said low-residue surfactant and/or said aliphatic alkyl ethoxylate surfactant is from about 0.03% to about 0.75% by weight;

the level of said polymeric biguanide is from about 0.02% to about 0.75% by weight; and

the pH of the aqueous composition is from about 2.0 to about 5.5.

14. The composition of claim 13 wherein the total level of solids is 3% or less by weight of the aqueous composition.

15. The composition of claim 1 further comprising from about 0.5% to about 25% by weight of a solvent.

16. The composition of claim 15 wherein said solvent has a vapour pressure of about 6.66 Pa (about 0.05mm Hg at 25°

C. and atmospheric pressure).

17. The composition of claim 1 further comprising a hydrotrope.

18. The composition of claim 17 wherein said hydrotrope is an alkyl ethoxylate comprising from about 8 to about 18 carbon atoms in the hydrophobic group and at least an average of about 15 ethoxylate groups per hydrophobic group.

19. A method of cleaning hard surfaces comprising the step of contacting said surface with an aqueous composition according to claim 1.

20. The method of cleaning hard surfaces according to claim 19 wherein said method additionally comprises the step of wiping said surface during and/or after the step of contacting said surface with said aqueous composition.

21. The method of cleaning bard surfaces according to claim 20 wherein said step of wiping said surface is performed by contacting said surface with a cleaning tool selected from the group consisting of sponges, cloths, cellulose strings, cellulose strips, paper, paper towels, pre-moistened wipe laminates and absorbent disposable cleaning pads.

22. The method of cleaning according to claim 21 wherein said aqueous composition is applied onto said cleaning tool prior to and/or during the wiping of said surface.

23. The method of cleaning according to claim 21 wherein said aqueous composition is delivered on said surface prior to and/or during the wiping of said surface.

43. A disposable premoistened wipe for cleaning hard surfaces comprising:

a substrate impregnated with the cleaning composition of claim 1.

44. The disposable premoistened wipe of claim 43 wherein said substrate comprises a cellulosic material.

45. A cleaning system for cleaning hard surfaces comprising:

a disposable dry absorbent substrate; and

a container filled with the cleaning composition of claim 1.

24. A composition for treating a hard surface comprising:

at least one of the following;

a low residue surfactant and an aliphatic alkyl ethoxylate surfactant;

an organic acidifying agent; and

a polymeric biguanide wherein said composition has a pH of 7 or less.

25. The composition of claim 24 wherein the pH of said composition is from about 5 to 7, and said low residue surfactant is a C8-C16 alkyl poly glycoside.

26. The composition of claim 24 wherein said organic acidifying agent is selected from the group consisting of tartaric acid, lactic acid, citric acid and mixtures thereof.

27. The composition of claim 24 wherein said low-residue surfactant is selected from the group consisting of zwitterionic surfactants, amphoteric surfactants, non-ionic surfactants comprising at least one sugar moiety and mixtures thereof.

28. The composition of claim 24 wherein said aliphatic alkyl ethoxylate surfactant comprises from about 8 to about 18 carbon atoms in the hydrophobic chain length, and an average of about 1 to about 15 ethylene oxide moieties per surfactant molecule.

29. The composition of claim 24 wherein said polymeric biguanide is selected from the group consisting of oligo-hexamethylene biguanide, poly-hexamethylene biguanide, salt thereof and a mixture thereof.

30. The composition of claim 24 wherein said polymeric biguanide is poly (hexamethylene biguanide) hydrochloride.

31. The composition of claim 24 wherein said composition comprises from about 0.01% to about 30% by weight of said acidifying agent;

and wherein the level of said low-residue surfactant and/or an alkyl ethoxylate surfactant is from about 0.01% to about 15% by weight;

the level of biguanide is from about 0.01% to about 20% by weight; and

the pH of the aqueous composition is from about 0.5 to 7.

32. The composition of claim 31 wherein the level of said organic acidifying agent is from about 0.01% to about 3.0% by weight;

the level of said low-residue surfactant and/or an alkyl ethoxylate surfactant is from about 0.01% to about 1.5% by weight;

the level of said polymeric biguanide is from about 0.01% to about 2.0% by weight; and

the pH of the aqueous composition is from about 0.5 to 7.

33. The composition of claim 32 wherein the level of said organic acidifying agent is from about 0.05% to about 2.0% by weight;

the level of said low-residue surfactant and/or an alkyl ethoxylate surfactant is from about 0.01% to about 1.0% by weight;

the level of said polymeric biguanide is from about 0.01% to about 1.0% by weight; and

the pH of the aqueous composition is from about 1.0 to about 6.0.

34. The composition of claim 33 wherein level of said organic acidifying agent is from about 0.1% to about 1.0% by weight;

the level of said low-residue surfactant and/or an alkyl ethoxylate surfactant is from about 0.03% to about 0.75% by weight;

the level of said polymeric biguanide is from about 0.02% to about 0.75% by weight; and

the pH of the aqueous composition is from about 2.0to about 5.5.

35. The composition of claim 34 wherein the total level of solids is 3% or less by weight of the aqueous composition.

38. The composition of claim 24 further comprising a hydrotrope.

39. The composition of claim 38 wherein said hydrotrope is an alkyl ethoxylate comprising from about 8 to about 18 carbon atoms in the hydrophobic group and at least an average of about 15 ethoxylate groups per hydrophobic group.

40. A method of cleaning hard surfaces comprising the step of contacting said surface with an aqueous composition according to claim 24.

41. The method of cleaning hard surfaces according to claim 40 wherein said method additionally comprises the step of wiping said surface during and/or after the step of contacting said surface with said aqueous composition.

42. The method of cleaning hard surfaces according to claim 41 wherein said step of wiping said surface is performed by contacting said surface with a cleaning tool selected from the group consisting of sponges, cloths, cellulose strings, cellulose strips, paper, paper towels, pre-moistened wipe laminates and absorbent disposable cleaning pads.

36. The composition of 24 further comprising from about 0.5% to about 25% by weight of a solvent.

37. The composition of claim 36 wherein said solvent has a vapour pressure of about 6.66 Pa (about 0.05 mm Hg at 25°

C. and atmospheric pressure).