Automatic dishwashing detergent composition

1. An automatic dishwashing detergent composition having a pH as measured in 1% weight aqueous solution at 25° C. of from about 5 to about 7.5, the composition comprises a soil suspension polymer and a surface-modification surface-substantive polymer, the polymer comprising in copolymerized form from:

i. about 60% to about 99% by weight of the polymer of at least one monoethylenically unsaturated polyalkylene oxide monomer of the formula I (monomer (A))

in which the variables have the following meanings:

X is —CH2- or —CO—, if Y is —O—;

X is —CO—, if Y is —NH—;

Y is —O— or —NH—;

R1 is hydrogen or methyl;

R2 are identical or different C2-C6-alkylene radicals;

R3 is H or C1-C4 alkyl;

n is an integer from 3 to 100,

ii. from about 1 to about 40% by weight of the cationic polymer of at least one quaternized nitrogen-containing monomer, selected from the group consisting of at least one of the monomers of the formula IIa to IId (monomer (B))

in which the variables have the following meanings:

R is C1-C4 alkyl or benzyl;

R′ is hydrogen or methyl;

Y is —O— or —NH—;

A is C1-C6 alkylene;

X—is halide, C1-C4-alkyl sulfate, C1-C4-alkylsulfonate and C1-C4-alkyl carbonate,

iii. from about 0 to about 15% by weight of the cationic polymer of at least one anionic monoethylenically unsaturated monomer (monomer (C)), and

iv. from about 0 to about 30% by weight of the cationic polymer of at least one other nonionic monoethylenically unsaturated monomer (monomer (D)),

and the polymer has a weight average molecular weight (Mw) from about 2,000 to about 500,000 200,000 g/mol.

2. A composition according to claim 1 wherein the composition is substantially builder free.

3. A composition according to claim 1 comprising from about 15% to about 55% by weight of the composition of a pH regulator system wherein the pH regulator system comprises a mixture of an acid and a conjugate salt.

4. A composition according to claim 1 further comprising a dispersant polymer.

5. A composition according to claim 1 further comprising a carboxylated/sulfonated polymer comprising a carboxylic acid monomer and a sulfonated monomer.

6. A composition according to claim 1 wherein the composition comprises a non-ionic surfactant.

7. A composition according to claim 1 wherein the composition comprises a non-ionic surfactant selected from the group consisting of:

a) a non-ionic surfactant of formula RO(CH2CH2O)xH wherein where R is iso-C13H27 and x is 7;

b) a non-ionic surfactant of formula RO(CH2CH2O)x(CH2CH2CH2O)yH wherein where R is a C6-C14 alkyl and x and y are from 5 to 20; and

c) mixtures thereof.

8. A composition according to claim 1 wherein the composition comprises from about 5% to about 20% by weight of the composition of surfactant.

9. A composition according to claim 1 comprising bleach wherein the level of bleach is from about 1% to about 40% by weight of the composition.

10. A composition according to claim 1 wherein the composition comprises a metalloprotease.

11. A composition according to claim 1 further comprising a crystal growth inhibitor.

12. A composition according to claim 1 further comprising an alkoxylated polyalkyleneimine.

13. A composition according to claim 1 further comprising an esterified alkyl alkoxylated surfactant of general formula (I)

wherein

R is a branched or unbranched alkyl radical having 8 to 16 carbon atoms;

R 3 , R 1 independently of one another, are hydrogen or a branched or unbranched alkyl radical having 1 to 5 carbon atoms;

R 2 is an unbranched alkyl radical having 5 to 17 carbon atoms;

l, n independently of one another, are a number from 1 to 5 and

m is a number from 13 to 35.

14. A composition according to claim 1 further comprises an iron chelant wherein the iron chelant is selected from the group consisting of siderophores, catechols, enterobactin, hydroxamates, hydroxypyridinones (or hydroxypyridine N-Oxides) and mixtures thereof.

15. A composition according to claim 1 comprising:

(i) from about 1 to about 10% by weight of the composition of the surface-modification surface-substantive polymer;

(ii) from about 15% to about 55% by weight of the composition of a pH regulator system wherein the pH regulator system comprises a mixture of citric acid and citrate;

(iii) from about 5% to about 20% by weight of the composition of bleach;

(iv) from about 1 to about 10% by weight of the composition of a carboxylated/sulfonated polymer; from about 1 to about 10% by weight of the composition of the esterified alkyl alkoxylated surfactant of general formula (I)

wherein

R is a branched or unbranched alkyl radical having 8 to 16 carbon atoms;

R 3 , R 1 independently of one another, are hydrogen or a branched or unbranched alkyl radical having 1 to 5 carbon atoms;

R 2 is an unbranched alkyl radical having 5 to 17 carbon atoms;

l, n independently of one another, are a number from 1 to 5 and

m is a number from 13 to 35;

(v) from about 0.1% to about 10% by weight of the composition of HEDP;

(vi) from about 5 to about 15% of non-ionic surfactant;

(vii) and amylase and a protease; and

wherein the composition is free or essentially free of builder.

16. A single or multi-compartment water-soluble pouch comprising a composition according to claim 1 .

17. A single or multi-compartment water-soluble pouch comprising a composition according to claim 1 wherein the pouch comprises a compartment comprising a powder composition and a compartment comprising a liquid composition and wherein the powder composition comprises the modification surface-substantive polymer.

18. A method of reducing filming and spotting on dishware in automatic dishwashing comprising the step of delivering into a dishwasher a composition according to claim 1 .

19. A method of reducing filming and spotting on dishware in automatic dishwashing comprising the step of delivering into a dishwasher a composition according to claim 1 and wherein the dishware is subjected to multi-cycles.