Cleaning composition and cleaning of vehicles

• US 20050250661A1
• Filed: 08/16/2003
• Published: 11/10/2005
• Est. Priority Date: 09/10/2002
• Status: Abandoned Application

• Current Assignee: Ecolab USA Incorporated (Ecolab, Inc.)
• Original Assignee: Ecolab, Inc.
• Inventors: Bragulla, Siegfried
• Application Number:
  US10/526,793
• Publication Number:
  US 20050250661A1
• Time in Patent Office: Days
• US Class Current: 510/189
• CPC Class Codes: C11D 2111/18 Glass; Plastics
• CPC Class Codes: C11D 3/2086 Hydroxy carboxylic acids-salts thereof
• CPC Class Codes: C11D 3/3719 Polyamides or polyimides
• CPC Class Codes: C11D 3/3765 in liquid compositions

Abstract

Vehicle cleaning compositions containing one or more selected components with complexing properties, the use thereof for removing firmly adhering metal dust-containing and/or abraded metal-containing residues and for cleaning wheel rims, the production of corresponding vehicle cleaning solutions and a method for cleaning vehicles which is particularly protective of the surface.

Claims

1-15. -15. (canceled)

16. A method of cleaning a vehicle surface comprising applying to the vehicle surface a composition comprising:

i. gluconic acid; and

ii. a complexing agent selected from the group consisting of polyamino acids, polycarboxylic acids, and mixtures thereof.

17. The method of claim 16, wherein the complexing agent is selected from the group consisting of polyaspartic acid, and a copolymer based on aspartic acid.

18. The method of claim 16, wherein the complexing agent is present from about 0.1 to about 75% by weight.

19. The method of claim 16, the composition further comprising a nonionic surfactant.

20. The method of claim 19, wherein the nonionic surfactant is selected from the group consisting of alkoxylated fatty alcohols, alkyl polyglycosides, and alkoxylated fatty amines.

21. The method of claim 16, wherein the composition has a pH from about 4 to about 10.

22. The method of claim 17, wherein the composition comprises from about 0.1 to about 30% by weight of polyaspartic acid.

23. The method of claim 17, wherein the composition comprises from about 0.1 to about 30% by weight of polyaspartic acid, and from about 0.1 to about 50% by weight of gluconic acid.

24. The method of claim 16, wherein the cleaning composition is diluted with water to form a ready-to-use cleaning solution comprising from about 0.025 to about 100 grams per liter of the complexing agent.

25. The method of claim 24, wherein the ready-to-use cleaning solution further comprises from about 0.05 to about 50 grams per liter of a nonionic surfactant.

26. The method of claim 16, further comprising rinsing the cleaning composition of the surface of the vehicle.

27. The method of claim 16, wherein the cleaning the composition is applied to wheel rims.

28. A vehicle cleaning composition comprising:

i. gluconic acid; and

ii. a complexing agent selected from the group consisting of polyamino acids, polycarboxylic acids, and mixtures thereof.

29. The composition of claim 28, wherein the complexing agent is selected from the group consisting of polyaspartic acid, and a copolymer based on aspartic acid.

30. The composition of claim 28, wherein the complexing agent is present from about 0.01 to about 75% by weight.

31. The composition of claim 28, further comprising a nonionic surfactant.

32. The composition of claim 31, wherein the nonionic surfactant is selected from the group consisting of alkoxylated fatty alcohols, alkyl polyglycosides, and alkoxylated fatty amines.

33. The composition of claim 28, wherein the composition has a pH from about 4 to about 10.

34. The composition of claim 29, wherein the composition comprises from about 0.01 to about 30% by weight of polyaspartic acid.

35. The composition of claim 29, wherein the composition comprises from about 0.01 to about 30% by weight of polyaspartic acid, and from about 0.01 to about 50% by weight of gluconic acid.

36. The composition of claim 28, wherein the composition is diluted with water to form a ready-to-use cleaning solution comprising from about 0.025 to about 100 grams per liter of the complexing agent.

37. The composition of claim 36, wherein the ready-to-use cleaning solution further comprises from about 0.05 to about 50 grams per liter of nonionic surfactant.