Solid composition with rheology modifier

• US 6,900,167 B2
• Filed: 10/09/2002
• Issued: 05/31/2005
• Est. Priority Date: 10/09/2002
• Status: Expired due to Term

• Current Assignee: Ecolab USA Incorporated (Ecolab, Inc.)
• Original Assignee: Ecolab, Inc.
• Inventors: Levitt, Mark, Griese, Greg
• Primary Examiner(s): OGDEN JR, NECHOLUS
• Application Number:
  US10/267,603
• Publication Number:
  US 20040072715A1
• Time in Patent Office: 965 Days
• Field of Search: 510/403, 510/435, 510/445, 510/470, 510/405, 510/421, 510/463, 510/218, 510/417
• US Class Current: 510/403
• CPC Class Codes: C11D 17/0047 Detergents in the form of bars or tablets
• CPC Class Codes: C11D 3/222 Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
• CPC Class Codes: C11D 3/323 urea or derivatives thereof
• CPC Class Codes: C11D 3/3707 Polyethers, e.g. polyalkyleneoxides

Abstract

Methods of the invention include: (a) providing a solid composition that includes; a rheology modifier, a solidifying agent, and a surfactant; (b) providing a solvent with a first viscosity; and dissolving a portion of the solid composition with the solvent forming a use solution with a second predetermined viscosity, wherein the second predetermined viscosity is greater than the first viscosity.

Claims

1. A method of forming use solutions having vertical cling to surfaces comprising:

a. providing a solid composition comprising;

i. a xanthan;

ii. a urea, polyethylene glycol, phosphate hydrate, or a carbonate hydrate; and

iii. a surfactant;

b. providing a solvent with a first viscosity; and

c. dissolving a portion of the solid composition with the solvent forming a use solution with a second predetermined viscosity, wherein the second predetermined viscosity is greater than the first viscosity.

2. The method of claim 1, wherein the second predetermined viscosity is at least 30 cps greater than the first viscosity.

3. The method of claim 1, wherein the second predetermined viscosity is at least 50 cps greater than the first viscosity.

4. The method of claim 1, further comprising spraying the use solution forming a median airborne particle size of greater than 30 μ

m.

5. The method of claim 1, further comprising spraying the use solution forming a median airborne particle size of greater than 70 μ

m.

6. The method of claim 1, further comprising spraying the use solution forming a median airborne particle size of greater than 100 μ

m.

7. The method of claim 1, wherein the solid composition comprises:

a. 0.1 to 30 wt % rheology modifier comprising xanthan;

b. 1 to 80 wt % solidifying agent comprising urea, polyethylene glycol, phosphate hydrate, or a carbonate hydrate; and

c. 1 to 70 wt % surfactant;

all based on total weight of rheology modifer, solidifying agent and surfactant.

8. The method of claim 1, wherein the solid composition comprises:

0.5 to 10 wt % rheology modifier comprising xanthan;

5 to 40 wt % solidifying agent comprising urea, polyethylene glycol, phosphate hydrate, or a carbonate hydrate; and

10 to 60 wt % surfactant;

all based on total weight of rheology modifier, solidifying agent and surfactant.

9. The method of claim 1, wherein the surfactant is an anionic surfactant, nonionic surfactant cationic, surfactant, amphoteric surfactant, or mixtures thereof.

10. The method of claim 1, wherein the solid composition further comprises a detergent builder.

11. The method of claim 10, wherein the builder is a chelating agent.

12. The method of claim 10, wherein the builder is an acid source.

13. The method of claim 10, wherein the builder is an alkalinity source.

14. The method of claim 1, wherein the solid composition further comprises an oxygenated solvent.

15. The method of claim 1, wherein the oxygenated solvent is an ether, a glycol ether, an alcohol, an alcohol ether, or mixtures thereof.

16. The method of claim 1, wherein the solid composition further comprises an antimicrobial agent.

17. The method of claim 1, wherein the solid composition further comprises a bleach, a peracid, a peroxide, a halogen, or mixtures thereof.

18. The method of claim 1, wherein the solid composition further comprises an enzyme.

19. The method of claim 1, further comprising forming a stable foam from the use solution.

20. A product formed by the method of claim 1.

21. A method of forming use solutions having vertical cling to surfaces comprising:

a. providing a soiled surface;

b. providing a solid cleaning composition comprising;

i. a xanthan;

ii. a urea, polyethylene glycol, phosphate hydrate, or a carbonate hydrate; and

iii. a surfactant;

c. providing a solvent with a first viscosity;

d. dissolving a portion of the solid composition with the solvent forming a use solution with a second predetermined viscosity, wherein the second predetermined viscosity is greater than the first viscosity;

e. applying the use solution to the soiled surface in an amount effective to remove the soil from the surface.

22. The method of claim 21, wherein the surface is soiled with an organic soil.

23. The method of claim 21, wherein the surface is soiled with an inorganic soil.

24. The method of claim 21, wherein the surface is soiled with a microorganism.

25. The method of claim 21, wherein the applying the use solution comprises spraying the use solution forming a median airborn particle size of greater than 30 μ

m.

26. The method of claim 21, wherein the applying the use solution comprises spraying the use solution forming a median airborne particle size of greater than 70 μ

m.

27. The method of claim 21, wherein the applying the use solution comprises spraying the use solution forming a median airborne particle size of greater than 100 μ

m.

28. The method of claim 21, wherein the solid composition comprises:

a. 0.1 to 30 wt % rheology modifier comprising xanthan;

b. 1 to 80 wt % solidifying agent comprising urea, polyethylene glycol, phosphate hydrate, or a carbonate hydrate; and

c. 1 to 70 wt % surfactant;

all based on total weight of rheology modifier, solidifying agent and surfactant.

29. The method of claim 21, wherein the solid composition comprises:

a. 0.5 to 10 wt % rheology modifier comprising xanthan;

b. 5 to 40 wt % solidifying agent comprising urea, polyethylene glycol, phosphate hydrate, or a carbonate hydrate; and

c. 10 to 60 wt % surfactant;

all based on total weight of rheology modifier, solidifying agent and surfactant.

30. The method of claim 21, wherein the surfactant is an anionic surfactant, nonionic surfactant, cationic surfactant, amphoteric surfactant, or mixtures thereof.

31. The method of claim 21, wherein the solid composition further comprises a builder.

32. The method of claim 31, wherein the builder is a chelating agent.

33. The method of claim 31, wherein the builder is an acid source.

34. The method of claim 31, wherein the builder is an alkalinity source.

35. The method of claim 21, wherein the solid composition further comprises an oxygenated solvent.

36. The method of claim 35, wherein the oxygenated solvent is an ether, a glycol ether, an alcohol, an alcohol ether, or mixtures thereof.

37. The method of claim 21, wherein the solid composition further comprises an antimicrobial agent.

38. The method of claim 21, wherein the solid composition further comprises a bleach, a peracid, a peroxide, a halogen, or mixture thereof.

39. The method of claim 21, wherein the solid composition further comprises an enzyme.

40. The method of claim 21, further comprising forming a stable foam from the use solution.