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1. (WO2017131799) MULTI-COMPARTMENT DETERGENT COMPOSITIONS AND METHODS OF PRODUCTION AND USE THEREOF
Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

WHAT IS CLAIMED IS:

1. A unit dose laundry detergent composition comprising a multi-compartment container formed from a water-soluble polymer having at least two compartments, comprising: a first compartment containing a solid composition;

a second compartment containing a liquid composition, wherein the liquid composition comprises between about 8% and about 25% water; and

at least one anti-redeposition agent,

wherein the first compartment is separate from and sealed off from the second compartment, and wherein the anti-redeposition agent is selected from the group consisting of an acrylic homopolymer and an acrylic/styrene copolymer.

2. The unit dose composition of claim 1, wherein the water-soluble polymer comprises polyvinyl alcohol.

3. The unit dose composition of claim 1 or claim 2, wherein the weight ratio of the solid composition to the liquid composition is between about 1 :5 to about 1 :30.

4. The unit dose composition of claim 1 or claim 2, wherein the weight ratio of the solid composition to the liquid composition is between about 1 : 10 to about 1 : 16.

5. The unit dose composition of any one of claims 1-4, comprising three compartments.

6. The unit dose composition of any one of claims 1-5, comprising one compartment containing a solid composition and two compartments containing liquid compositions.

7. The unit dose composition of claim 6, wherein the two compartments containing liquid compositions contain the same liquid composition.

8. The unit dose composition of claim 6, wherein the two compartments containing liquid compositions contain different liquid compositions.

9. The unit dose composition of any one of claims 1-8, wherein the at least one anti- redeposition agent is an acrylic acid homopolymer.

10. The unit dose composition of any one of claims 1-9, wherein the solid composition comprises at least one anti-redeposition agent.

11. The unit dose composition of any one of claims 1-10, wherein the at least one anti- redeposition agent is an acrylic homopolymer having an average molecular weight of between 3,000 and 5,000.

12. The unit dose composition of any one of claims 1-11, wherein the at least one anti- redeposition agent is an acrylic homopolymer having an average molecular weight of 4,500.

13. The unit dose composition of any one of claims 1-12, wherein the liquid composition comprises at least one anti-redeposition agent.

14. The unit dose composition of any one of claims 1-8, wherein the at least one anti- redeposition agent is an acrylic/styrene copolymer having an average molecular weight of between 2,000 and 4,000.

15. The unit dose composition of any of of claims 1-8, wherein the at least one anti- redeposition agent is an acrylic/styrene copolymer having an average molecular weight of 3,000.

16. The unit dose composition of any one of claims 1-15, wherein the unit dose composition comprises at least one surfactant.

17. The unit dose composition of claim 16, wherein the at least one surfactant is in the liquid composition.

18. The unit dose composition of claim 16 or claim 17, wherein the at least one surfactant is selected from the group consisting of an anionic surfactant, a nonionic surfactant, a zwitterionic surfactant, an ampholytic surfactant, and a cationic surfactant.

19. The unit dose composition of any one of claims 1-18, wherein the solid composition comprises a detergency builder.

20. The unit dose composition of claim 19, wherein the detergency builder is coated with a moisture-absorbing compound.

21. The unit dose composition of claim 19 or claim 20, wherein the moisture-absorbing compound is sprayed onto the solid composition.

22. The unit dose composition of any one of claims 1-21, wherein the liquid composition comprises one or more components selected from the group consisting of a detergency builder, a biocidal agent, a foam controlling agent, an enzyme, a perfume, a dye, a pH buffering agent, an anti-redeposition agent, an optical brightener, a surfactant, a water- softening agent, a bleach, a solubilizer, or a stain-removing polymer.

23. The unit dose composition of any one of claims 1-22, wherein the solid composition comprises one or more components selected from the group consisting of a detergency builder, a biocidal agent, a foam controlling agent, an enzyme, a perfume, a dye, a pH buffering agent, an anti-redeposition agent, an optical brightener, a surfactant, a water- softening agent, a bleach, a solubilizer, or a stain-removing polymer.

24. The unit dose composition of any one of claims 1-23, wherein the unit dose composition is formulated to be suitable for use in an automatic laundering method for removing soils from fabric.

25. The unit dose composition of any one of claims 1-24, wherein the solid composition comprises an anti-redeposition agent and sodium carbonate and wherein the liquid composition comprises a linear alkyl benzene sulfonate, a diol, an ethanolamine, and an ethoxylated alcohol.

26. The unit dose of any one of claims 1-24, wherein the solid composition comprises sodium citrate and wherein the liquid composition comprises an anti-redeposition agent, a linear alkyl benzene sulfonate, a diol, an ethanolamine, and an ethoxylated alcohol.

27. The unit dose of claim 25, wherein the solid composition comprises by weight between about 5% and about 20% of an anti-redeposition agent and wherein the liquid

composition comprises by weight between about 5% to about 20% of a linear alkyl benzene sulfonate, between about 5% to about 20% of a diol, between about 2% to about 10%) of an ethanolamine, and between about 20% and about 25% of a ethoxylated alcohol.

28. The unit dose of claim 26, wherein the liquid composition comprises by weight between about 1%) to about 5% of an anti-redeposition agent, between about 5% to about 20% of a linear alkyl benzene sulfonate, between about 5% to about 20% of a diol, between about 2% to about 10%) of an ethanolamine, and between about 20% and about 25% of a ethoxylated alcohol.

29. A method of removing soils from soiled fabrics, comprising:

(a) placing the soiled fabrics into a chamber of an automatic fabric-laundering machine;

(b) placing at least one of the unit dose compositions of any one of claims 1- 28 into the fabric-laundering machine; and

(c) introducing water into the chamber of the fabric-laundering machine and washing the fabrics in an aqueous environment in the fabric-laundering machine under conditions favoring release of components of the unit dose composition into the chamber of the fabric-laundering machine such that the components of the unit dose composition contact the fabrics and remove the soils from the fabrics.

30. The method of claim 29, wherein the unit dose composition is placed in the chamber of the fabric-laundering machine prior to introducing water into the chamber of the fabric- laundering machine.

31. The method of claim 29, wherein the unit dose composition is placed into the chamber of the fabric-laundering machine after introducing water into the chamber of the fabric- laundering machine.

32. The method of any one of claims 29-31, wherein the soils are selected from the group consisting of an oil-containing soil, a carbohydrate-containing soil, a protein-containing soil, a tannin-containing soil, and a particulate soil.

33. The method of any one of claims 29-31, wherein the soils are selected from the group consisting of a pH-sensitive soil, an acid-based soil, a beverage soil, or a soil from a canned food.

34. The method of claim 33, wherein the pH-sensitive soil is a soil from blood, grass, coffee, or tea.

35. The method of claim 33, wherein the acid-based soil is a soil from vinegar.

36. The method of claim 33, wherein the beverage soil is a soil from a concentrated juice, a soft drink, a sugar- sweetened drink, or a sugar-free drink.

37. The method of claim 33, wherein the canned food soil is a soil from canned tomato juice, canned tomato soup, or canned vegetable soup.

38. The method of any one of claims 29-37, wherein the fabric-laundering machine is a

washing machine, a tergetometer, or an equivalent device.

39. A method for preparing a unit dose detergent composition comprising:

(a) producing at least one solid composition and at least one liquid composition, wherein the liquid composition comprises between about 8% and about 25% water, wherein at least one of the liquid composition and the solid composition comprises at least one anti-redeposition agent, and wherein the anti-redeposition agent is selected from the group consisting of an acrylic homopolymer and an acrylic/styrene copolymer;

(b) providing a water-soluble container comprising at least two compartments;

(c) adding the at least one liquid composition to at least one compartment and the at least one solid composition to a separate compartment, wherein the at least one liquid composition and the at least one solid composition are separated by at least one partition seal;

(d) sealing the container.

40. The method of claim 39, wherein the water-soluble container comprises a water-soluble polymer.

41. The method of claim 40, wherein the water-soluble polymer comprises polyvinyl alcohol.

42. The method of any one of claims 39-41, wherein the weight ratio of the at least one solid composition to the at least one liquid composition is between about 1 :5 to about 1 :30.

43. The method of any one of claims 39-42, wherein the weight ratio of the at least one solid composition to the at least one liquid composition is between about 1 : 10 to about 1 : 16.

44. The method of any one of claims 39-43, wherein the unit dose composition comprises three compartments.

45. The method of any one of claims 39-44, wherein the unit dose composition comprises one compartment containing a solid composition and two compartments containing a liquid composition.

46. The method of any one of claims 39-45, wherein the two compartments containing a liquid composition contain the same liquid composition.

47. The method of any one of claims 39-45, wherein the two compartments containing a liquid composition contain different liquid compositions.

48. The method of any one of claims 39-47, wherein the at least one anti-redeposition agent is an acrylic homopolymer.

49. The method of any one of claims 39-48, wherein the at least one anti-redeposition agent is in the solid composition.

50. The method of any one of claims 39-49, wherein the anti-redeposition agent is an

acrylic/styrene copolymer having an average molecular weight of between 3,000 and 5,000.

51. The method of any one of claims 39-50, wherein the at least one anti-redeposition agent is an acrylic/styrene copolymer having an average molecular weight of 4,500.

52. The method of any one of claims 39-51, wherein the composition comprises at least one surfactant.

53. The method of claim 52, wherein the at least one surfactant is in the liquid composition.

54. The method of claim 52 or claim 53, wherein the at least one surfactant is selected from the group consisting of an anionic surfactant, a nonionic surfactant, a zwitterionic surfactant, an ampholytic surfactant, and a cationic surfactant.

55. The method of any one of claims 39-54, wherein the solid composition comprises a

detergency builder.

56. The method of claim 55, wherein the solid composition was sprayed with a moisture- absorbing compound before adding to the compartment.

57. The method of claim 55 or claim 56, wherein the detergency builder is coated with a moisture-absorbing compound.

58. The method of any one of claims 39-57, wherein the liquid composition comprises at least one anti-redeposition agent.

59. The method of any one of claims 39-58, wherein the at least one anti-redeposition agent is an acrylic/styrene copolymer having an average molecular weight of between 2,000 and 4,000.

60. The method of any of of claims 39-59, wherein the at least one anti-redeposition agent is an acrylic/styrene copolymer having an average molecular weight of 3,000.

61. The method of any one of claims 39-60, wherein the liquid composition further comprises one or more components selected from the group consisting of a detergency builder, a biocidal agent, a foam controlling agent, an enzyme, a perfume, a dye, a pH buffering agent, an anti-redeposition agent, an optical brightener, a surfactant, a water-softening agent, a bleach, a solubilizer, or a stain-removing polymer.

62. The method of any one of claims 39-61, wherein the solid composition further comprises one or more components selected from the group consisting of a detergency builder, a biocidal agent, a foam controlling agent, an enzyme, a perfume, a dye, a pH buffering agent, an anti-redeposition agent, an optical brightener, a surfactant, a water-softening agent, a bleach, a solubilizer, or a stain-removing polymer.

63. The method of any one of claims 39-62, wherein the solid composition comprises an anti- redeposition agent and sodium carbonate and wherein the liquid composition comprises a linear alkyl benzene sulfonate, a diol, an ethanolamine, and an ethoxylated alcohol.

64. The method of any one of claims 39-62, wherein the solid composition comprises sodium citrate and wherein the liquid composition comprises an anti-redeposition agent, a linear alkyl benzene sulfonate, a diol, an ethanolamine, and an ethoxylated alcohol.

65. The method of claim 63, wherein the solid composition comprises by weight between about 5% and about 20% of an anti-redeposition agent and wherein the liquid

composition comprises by weight between about 5% to about 20% of a linear alkyl benzene sulfonate, between about 5% to about 20% of a diol, between about 2% to about 10%) of an ethanolamine, and between about 20% and about 25% of a ethoxylated alcohol.

66. The method of claim 64, wherein the liquid composition comprises by weight between about 1%) to about 5% of an anti-redeposition agent, between about 5% to about 20% of a linear alkyl benzene sulfonate, between about 5% to about 20% of a diol, between about 2% to about 10%) of an ethanolamine, and between about 20% and about 25% of a ethoxylated alcohol.

67. The method of any one of claims 39-66, wherein the container is formulated so as to be suitable for use in an automatic laundering method for removing soils from fabric.