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1. (WO2015178902) COMPOSITION AQUEUSE DE LIQUIDE VAISSELLE
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

CLAIMS

WHAT IS CLAIMED IS:

1. An aqueous liquid dishwashing composition comprising i) at least one ethoxylated Cg-Cig alkyl ether sulfate surfactant having an ethoxylation (EO) of from 0.4 to 1 and ii) at least one Cg-Cig alkyl amidopropylbetaine surfactant.

2. The composition of claim 1, wherein the at least one ethoxylated Cg-Cig alkyl ether sulfate surfactant has an ethoxylation (EO) of from 0.4 to 0.8.

3. The composition of claim 2, wherein the at least one ethoxylated Cg-Cig alkyl ether sulfate surfactant has an ethoxylation (EO) of about 0.6.

4. The composition of any of claims 1 to 3, wherein the at least one ethoxylated Cg-Cig alkyl ether sulfate surfactant comprises an ammonium or an alkali metal salt of a Cg-Cig alkyl ether sulfate.

5. The composition of claim 4, wherein the at least one ethoxylated Cg-Cig alkyl ether sulfate surfactant comprises an ammonium salt of a Cg-Cig alkyl ether sulfate.

6. The composition of any preceding claim, wherein the at least one ethoxylated Cg-Cig alkyl ether sulfate surfactant comprises C10-16 alkyl ether sulfate surfactant.

7. The composition of any preceding claim, wherein the at least one ethoxylated Cg-Cig alkyl ether sulfate surfactant comprises C12-15 alkyl ether sulfate surfactant.

8. The composition of any preceding claim, wherein the at least one ethoxylated Cg-Cig alkyl ether sulfate surfactant comprises ammonium lauryl ether sulfate surfactant, ammonium myristyl ether sulfate surfactant or a mixture thereof.

9. The composition of any preceding claim, wherein the at least one Cg-Cig alkyl amidopropylbetaine surfactant comprises C10-16 alkyl amidopropylbetaine.

10. The composition of claim 9, wherein the at least one Cg-Cig alkyl amidopropylbetaine surfactant comprises C 12-14 alkyl amidopropylbetaine.

11. The composition of any preceding claim, wherein the at least one Cg-Cig alkyl amidopropylbetaine surfactant comprises laurylamidopropylbetaine, myristylamidopropylbetaine, or a mixture thereof.

12. The composition of any preceding claim, wherein the total amount of the at least one ethoxylated C8-Ci8 alkyl ether sulfate surfactant and the at least one C8-Ci8 alkyl amidopropylbetaine surfactant is from 6 weight % to 30 weight % by total weight of the composition.

13. The composition of claim 12, wherein the total amount of the at least one ethoxylated C8- C18 alkyl ether sulfate surfactant and the at least one C8-Ci8 alkyl amidopropylbetaine surfactant is from 15 weight % to 25 weight % by total weight of the composition.

14. The composition of claim 13, wherein the total amount of the at least one ethoxylated C8- C18 alkyl ether sulfate surfactant and the at least one C8-Ci8 alkyl amidopropylbetaine surfactant is from 17 weight % to 21 weight % by total weight of the composition.

15. The composition of claim 12, wherein the total amount of the at least one ethoxylated C8- C18 alkyl ether sulfate surfactant and the at least one C8-Ci8 alkyl amidopropylbetaine surfactant is from 6 weight % to 9 weight % by total weight of the composition.

16. The composition of any preceding claim, wherein the weight ratio of the at least one ethoxylated C8-Ci8 alkyl ether sulfate surfactant to the at least one C8-Ci8 alkyl amidopropylbetaine surfactant is from 1 :3 to 4: 1.

17. The composition of claim 16, wherein the weight ratio of the at least one ethoxylated C8- C18 alkyl ether sulfate surfactant to the at least one C8-Ci8 alkyl amidopropylbetaine surfactant is from 1 :3 to 3: 1.

18. The composition of claim 17, wherein the weight ratio of the at least one ethoxylated C8- C18 alkyl ether sulfate surfactant to the at least one C8-Ci8 alkyl amidopropylbetaine surfactant is from 1 : 1 to 3 : 1.

19. The composition of claim 18, wherein the weight ratio of the at least one ethoxylated C8- C18 alkyl ether sulfate surfactant to the at least one C8-Ci8 alkyl amidopropylbetaine surfactant is from 1 : 1 to 2: 1.

20. The composition of claim 16, wherein the weight ratio of the at least one ethoxylated C8- C18 alkyl ether sulfate surfactant to the at least one C8-Ci8 alkyl amidopropylbetaine surfactant is from 2.75 : 1 to 4: 1.

21. The composition of any preceding claim, wherein the composition is substantially free of surfactants other than the at least one ethoxylated C8-Ci8 alkyl ether sulfate surfactant and the at least one C8-Ci8 alkyl amidopropylbetaine surfactant.

22. The composition of any of claims 1 to 20, wherein a total amount of surfactants other than at least one ethoxylated C8-Ci8 alkyl ether sulfate surfactant and the at least one C8- C18 alkyl amidopropylbetaine surfactant in the composition is 0.5 weight % or less, by total weight of the composition.

23. The composition of any preceding claim, wherein the composition comprises one or more viscosity modifiers in an amount of less than 3 weight % by total weight of the composition.

24. The composition of clam 23, wherein the viscosity modifier is selected from a C1-C5 alcohol, an ionic salt and a block copolymer.

25. The composition of claim 24, wherein the C1-C5 alcohol comprises ethanol, and optionally, wherein the ionic salt comprises sodium chloride and/or magnesium sulfate.

26. The composition of any preceding claim comprising ethanol in an amount of 2 weight % or less, by total weight of the composition.

27. The composition of any preceding claim, wherein the composition has a viscosity of from 500 to 1200 MPas as measured on a Brookfield RVT Viscometer using spindle 21 at 20 RPM at 25°C.

28. The composition of any preceding claim which is a light duty hand dishwashing composition.

29. Use, in an aqueous liquid dishwashing composition, of a combination of i) at least one ethoxylated C8-Ci8 alkyl ether sulfate surfactant having an ethoxylation (EO) of from 0.4 to 1 and ii) at least one C8-Ci8 alkyl amidopropylbetaine surfactant, for enhancing foam production of the composition.

30. Use, in an aqueous liquid dishwashing composition, of a combination of i) at least one ethoxylated C8-Ci8 alkyl ether sulfate surfactant having an ethoxylation (EO) of from 0.4 to 1 and ii) at least one C8-Ci8 alkyl amidopropylbetaine surfactant, for controlling the viscosity of the composition.

31. Use, in an aqueous liquid dishwashing composition, of a combination of i) at least one ethoxylated C8-Ci8 alkyl ether sulfate surfactant having an ethoxylation (EO) of from 0.4 to 1 and ii) at least one C8-Ci8 alkyl amidopropylbetaine surfactant, for inhibiting or preventing gelling of the composition at a temperature below 6°C.

32. The use according to claim 29 or 30, wherein the composition is as defined in any of claims 1 to 28.