Dishwashing composition

1. A dishwasher detergent composition comprising:

(i) from 0.05 to 7.5 wt % of a surfactant; and,

(ii) from 0.1 to 90 wt % of a compound of Formula 1;

wherein R is selected from the group consisting of —H, —CH 3 , —C n H 2n CH 3 , —C n H 2n OH, —C n H 2n COOH, —C n H 2n SO 3 H, —C n H 2n NH 2 , —C n H 2n NHR′, —C n H 2n NR′ 2 , —NHC(═O)—R′ and —C n H 2n PO(OR′) 2 ;

wherein n≧1; and R′ is H, alkyl or aryl,

(iii) a bleach selected from inorganic peroxy compounds, organic peracids and salts derived therefrom and

(iv) a bleach activator.

2. A dishwasher detergent composition according to claim 1 , wherein R is —CH 3 .

3. A dishwasher detergent composition comprising from 0.1 to 90 wt % of a compound of Formula 1;

wherein

R is selected from the group consisting of —C n H 2n CH 3 , —C n H 2n OH, —C n H 2n COOH, —C n H 2n SO 3 H, —C n H 2n NH 2 , —C n H 2n NHR′, —C n H 2n NR′ 2 , —NHC(═O)—R′ and —C n H 2n PO(OR′) 2 ;

wherein n≧1; and R′ is H, alkyl or aryl with the proviso that in C n H 2n CH 3 n is an integer of 2 or more.

4. A dishwasher detergent composition according to claim 3 , wherein the composition further comprises a surfactant.

5. A dishwasher detergent composition according to claim 4 , wherein the composition comprises from 0.05 to 7.5 wt % of a surfactant.

6. A dishwasher detergent composition comprising a compound of Formula 1;

wherein R is selected from the group consisting of —H, —CH 3 , —C n H 2n CH 3 , —C n H 2n OH, —C n H 2n COOH, —C n H 2n SO 3 H, —C n H 2n NH 2 , —C n H 2n NHR′, —C n H 2n NR′ 2 , —NHC(═O)—R′ and —C n H 2n PO(OR′) 2 ;

wherein n≧1; and R′ is H, alkyl or aryl;

and further wherein the composition comprises a cobuilder.

7. A dishwasher detergent composition according to claim 6 , wherein the composition further comprises a surfactant.

8. A dishwasher detergent composition according to claim 7 , wherein the composition comprises from 0.05 to 7.5 wt % of a surfactant.

9. A dishwasher detergent composition according to claim 1 wherein the surfactant is non-ionic.

10. A dishwasher detergent composition according to claim 9 , wherein at least 50 wt % of the non-ionic surfactant has a melting point >35° C.

11. A dishwasher detergent composition according to claim 1 wherein the composition further comprises a cobuilder.

12. A dishwasher detergent composition according to claim 11 wherein the cobuilder is an organic cobuilder.

13. A dishwasher detergent composition according to claim 12 , wherein the organic cobuilder is a biodegradable polymer.

14. A dishwasher detergent composition according to claim 12 , wherein the organic cobuilder comprises polyaspartic acid.

15. A dishwasher detergent composition according to claim 12 , wherein the organic cobuilder comprises a sulfonated polymer.

16. A dishwasher detergent composition according to claim 1 , wherein the composition comprises from 5 to 90% wt of a compound according to Formula 1.

17. A dishwasher detergent composition according to claim 1 , wherein the composition further comprises an enzyme selected from the group consisting of protease, amylase, cellulase, lipase, laccase, oxidases, tyrosinases, mannanases and peroxidase enzymes.

18. A dishwasher detergent composition according to claim 1 , wherein the composition further comprises a bleach component selected from the group consisting of inorganic peroxy-compounds and organic peracids and salts derived therefrom.

19. A dishwasher detergent composition according to claim 1 , wherein the bleach catalyst is selected from the group consisting of the salts of manganese, iron, cobalt, zinc, titanium, nickel or vanadium or mixtures thereof.

20. A dishwasher detergent composition according to claim 1 , wherein the composition further comprises a silver/copper corrosion inhibitor selected from the group consisting of organic and inorganic redox-active substances.

21. A dishwasher detergent composition, according to claim 1 , wherein the composition comprises:

(i) from 0.1 to 90 wt % of a compound of Formula 1;

(ii) from 0.05 to 7.5 wt % of a surfactant;

(iii) from 0.01 to 5 wt % of one or more enzyme granules;

(iv) from 1 to 30 wt % of bleach; and,

(v) from 0.005 to 0.1 wt % of a bleach catalyst.

22. A dishwasher detergent composition according to claim 21 , wherein the composition comprises:

(i) from 10.0 to 70 wt % of a compound of Formula 1;

(ii) from 0.5 to 5.0 wt % of a surfactant;

(iii) from 0.5 to 2 wt % of one or more enzyme granules;

(iv) from 5 to 20 wt % of bleach; and,

(v) from 0.005 to 0.1 wt % of a bleach catalyst.

23. A dishwasher detergent composition according to claim 1 , wherein the composition is in the form of a liquid, gel, powder, tablet, rod, ball, lozenge or rigid capsule with more than 1 compartment.

24. A method of washing kitchenware in an automatic dishwashing machine which method comprises the step of: adding a detergent composition according to claim 1 to the automatic dishwashing machine

25. A method according to claim 24 , wherein the water provided to the automatic dishwashing machine has a hardness of at least 10° German hardness.

26. A dishwasher detergent composition according to claim 19 , wherein the bleach catalyst is represented by the following formula:

wherein:

each Mn is in the III or IV oxidation state,

each x represents a coordinating or bridging species selected from the group consisting of: H 2 O, O 2 2− , O 2− , OH − , HO 2 − , SH − , S 2− , SO, Cl − , N 3− , SCN − , RCOO − , NH 2 − and NR 3 , in which R is H, alkyl or aryl and which alkyl or aryl may optionally be substituted,

L is a ligand which is an organic molecule containing a number of nitrogen atoms which coordinates via all or some of its nitrogen atoms to the manganese centers;

Z denotes the charge of the complex and is an integer which can be positive or negative;

Y is a monovalent or is a multivalent counter-ion, leading to charge neutrality, which is dependent upon the charge z of the complex; and,

q=z/[charge Y].