Single dose laundry detergent packs having zinc ricinoleate and sodium iminodisuccinate
View Patent ↗A single dose pack includes a container including a water-soluble film and a single dose laundry detergent composition encapsulated within the container. The single dose laundry detergent composition includes about 0.01 to about 0.5 weight percent of zinc ricinoleate based on a total weight of the composition, about 0.07 to about 2.7 weight percent of sodium iminodisuccinate based on a total weight of the composition, and about 2.7 to about 35 weight percent of a non-aqueous solvent based on a total weight of the composition. The composition also includes water and about 35 to about 75 weight percent of a surfactant based on a total weight of the composition. The composition has a water activity of from about 0.45 to about 0.8 measured at about 25° C. and has a turbidity of less than about 25 NTU measured after ageing at about 75° F. for about 24 hours.
1. A laundry detergent composition comprising:
about 0.005 to about 0.5 weight percent of zinc ricinoleate based on a total weight of said composition;
about 0.07 to about 2.7 weight percent of sodium iminodisuccinate based on a total weight of said composition;
about 2.7 to about 35 weight percent of a non-aqueous solvent based on a total weight of said composition;
about 35 to about 75 weight percent of a surfactant based on a total weight of said composition; and
water;
wherein said single dose laundry detergent composition has a water activity of from about 0.45 to about 0.8 measured at about 25° C. and has a turbidity of less than about 25 NTU measured after ageing at about 75° F. for about 24 hours.
2. A single dose pack comprising:
a container comprising a water-soluble film; and
a single dose laundry detergent composition encapsulated within said container, wherein said single dose laundry detergent composition comprises:
about 0.005 to about 0.5 weight percent of zinc ricinoleate based on a total weight of said composition;
about 0.07 to about 2.7 weight percent of sodium iminodisuccinate based on a total weight of said composition;
about 2.7 to about 35 weight percent of a non-aqueous solvent based on a total weight of said composition;
about 35 to about 75 weight percent of a surfactant based on a total weight of said composition; and
water;
wherein said single dose laundry detergent composition has a water activity of from about 0.45 to about 0.8 measured at about 25° C. and has a turbidity of less than about 25 NTU measured after ageing at about 75° F. for about 24 hours.
3. The single dose pack of claim 2 , wherein said non-aqueous solvent is glycerin; and wherein said glycerin, said sodium iminodisuccinate, and said zinc ricinoleate are present in a weight ratio of about (10 to 12.3):(0.07 to 0.5):0.01.
4. The single dose pack of claim 2 , wherein said non-aqueous solvent is glycerin; and wherein said glycerin, said sodium iminodisuccinate, and said zinc ricinoleate are present in a weight ratio of about (10.3 to 11.5):(0.3 to 0.5):0.05.
5. The single dose pack of claim 2 , wherein said non-aqueous solvent is glycerin; and wherein said glycerin, said sodium iminodisuccinate, and said zinc ricinoleate are present in a weight ratio of about (3.2 to 6.6):(1.7 to 2.7):0.25.
6. The single dose pack of claim 2 , wherein said non-aqueous solvent is glycerin; and wherein said glycerin, said sodium iminodisuccinate, and said zinc ricinoleate are present in a weight ratio of about (2.7 to 6.1):(1.7 to 2.7):0.5.
7. The single dose pack of claim 2 , wherein said non-aqueous solvent is glycerin; and wherein said glycerin, said sodium iminodisuccinate, and said zinc ricinoleate are present in a weight ratio of about (2.7:0.07:0.01) to about (11.6:2.7:0.5), glycerin:sodium iminodisuccinate:zinc ricinoleate.
8. The single dose pack of claim 2 , wherein said non-aqueous solvent is glycerin; wherein said sodium iminodisuccinate is present in an amount of from about 0.14 to about 0.3 weight percent based on a total weight of said composition and said zinc ricinoleate is present in an amount of from about 0.01 to about 0.25 weight percent based on a total weight of said composition.
9. The single dose pack of claim 2 , wherein said non-aqueous solvent is glycerin; and wherein said sodium iminodisuccinate is present in an amount of from about 0.07 to about 0.66 weight percent based on a total weight of said composition.
10. The single dose pack of claim 2 , wherein said sodium iminodisuccinate and said zinc ricinoleate are present in a weight ratio of about (0.07:0.01) to about (2.7:0.5).
11. The single dose pack of claim 2 , wherein said non-aqueous solvent is glycerin and is present in an amount of from about 2.7 to about 11.6 weight percent based on a total weight percent of said composition, wherein said sodium iminodisuccinate is present in an amount of from about 0.07 to about 2.67 weight percent based on a total weight of said composition and said zinc ricinoleate is present in an amount of from about 0.01 to about 0.50 weight percent based on a total weight of said composition.
12. The single dose pack of claim 2 , wherein said single dose laundry detergent composition has a turbidity of less than about 10 NTU measured after ageing at about 75° F. for about 6 weeks.
13. The single dose pack of claim 2 , wherein said zinc ricinoleate is present in an amount of from about 0.005 to about 0.05 weight percent based on a total weight of said composition.
14. The single dose pack of claim 2 , wherein said zinc ricinoleate is present in an amount of from about 0.007 to about 0.015 weight percent based on a total weight of said composition.
15. The single dose pack of claim 2 , wherein said sodium iminodisuccinate is present in an amount of from about 0.1 to about 0.5 weight percent based on a total weight of said composition.
16. The single dose pack of claim 2 , wherein said sodium iminodisuccinate is present in an amount of from about 0.1 to about 0.5 weight percent based on a total weight of said composition.
17. The single dose pack of claim 2 , wherein said sodium iminodisuccinate is present in an amount of from about 0.3 to about 0.4 weight percent based on a total weight of said composition.
18. The single dose pack of claim 2 , wherein said non-aqueous solvent comprises glycerin.
19. The single dose pack of claim 2 , wherein said single dose laundry detergent composition has a turbidity of less than about 10 NTU measured after ageing at about 75° F. for about 6 weeks.
20. A single dose pack comprising:
a container comprising a water-soluble film; and
a single dose laundry detergent composition encapsulated within said container, wherein said single dose laundry detergent composition comprises:
about 0.01 to about 0.5 weight percent of zinc ricinoleate based on a total weight of said composition;
about 0.07 to about 2.7 weight percent of sodium iminodisuccinate based on a total weight of said composition;
about 35 to about 75 weight percent of a surfactant based on a total weight of said composition; and
water;
wherein said single dose laundry detergent composition has a water activity of from about 0.58 to about 0.67 measured at about 25° C. and has a turbidity of less than about 6.5 NTU measured after ageing at about 75° F. for about 24 hours.