A detergent composition comprises an MGDA containing particulate material. The MGDA particulate is at least partially coated with a coating of a water soluble/dispersible material having a melting point of less than 100° C. The coating material exhibits a pH of greater than or equal to 7 in an aqueous medium.
1. A detergent composition comprising an MGDA containing particulate material, said material consisting essentially of MGDA at least partially coated with a coating of a water soluble and/or dispersible material having a melting point of less than 100° C., wherein the coating material exhibits a pH of greater than or equal to 7 in an aqueous medium, wherein an amount of the MGDA is greater than an amount of the water soluble and/or dispersible coating material such that a weight ratio of the MGDA to the water soluble and/or dispersible coating material is a ratio greater than 1:1.
2. A composition according to claim 1 , wherein the water soluble and/or dispersible coating material has a melting point of less than 80° C.
3. A composition according to claim 2 wherein the water soluble and/or dispersible coating material comprises a water soluble and/or dispersible polymer and/or a surfactant.
4. A composition according to claim 3 , wherein the surfactant is based on a C 16-18 fatty alcohol with an average ethoxylation degree of 25.
5. A composition according to claim 3 , wherein the polymer comprises a polyvinyl alcohol derivative, polyvinylpyrolidone (PVP), polyalkylene glycol and/or a derivative thereof.
6. A composition according to claim 1 , wherein the water soluble and/or dispersible coating material comprises a water soluble and/or dispersible polymer and/or a surfactant.
7. A composition according to claim 6 , wherein the surfactant is based on a C 16-18 fatty alcohol with an average ethoxylation degree of 25.
8. A composition according to claim 6 , wherein the polymer comprises a polyvinyl alcohol derivative, polyvinylpyrolidone (PVP), polyalkylene glycol and/or a derivative thereof.
9. A composition according to claim 8 , wherein the coating material is polyethylene glycol having a molecular weight of 1500 or 20000.
10. A composition according to claim 6 , wherein the coating material is polyethylene glycol having a molecular weight of 1500 or 20000.
11. A composition according to claim 1 , wherein the particulate incorporates an auxiliary material.
12. A composition according to claim 1 , wherein the composition comprise a powder, a non-aqueous gel, a compressed particulate body, an injection moulded body or an extruded body.
13. An automatic dishwashing process which comprises the step of: utilizing a composition according to claim 1 .
14. A laundry process which comprises the step of utilizing a composition according to claim 1 .
15. A detergent composition according to claim 1 wherein the weight ratio of the MGDA to the water soluble and/or dispersible coating material is in the range of between 19:1 to a ratio of greater than 1:1.
16. A detergent composition according to claim 15 wherein the weight ratio of the MGDA to the water soluble and/or dispersible coating material is in the range of between 4:1 to a ratio of greater than 1:1.
17. A detergent composition according to claim 15 wherein the weight ratio of the MGDA to the water soluble and/or dispersible coating material is in the range of between 3:1 to a ratio of greater than 1:1.
18. A detergent composition according to claim 17 wherein the weight ratio of the MGDA to the water soluble and/or dispersible coating material is in the range of between 2:1 to a ratio of greater than 1:1.
19. A detergent composition comprising an MGDA containing particulate material, said material consisting essentially of MGDA at least partially coated with a coating of a water soluble and/or dispersible material having a melting point of less than 100° C., wherein the coating material exhibits a pH of greater than or equal to 7 in an aqueous medium, wherein the concentration of the MGDA is greater than 50 wt % and not more than 95 wt %.
20. A composition according to claim 19 wherein the water soluble and/or dispersible coating material comprises a water soluble and/or dispersible polymer and/or a surfactant.
21. A composition according to claim 20 , wherein the surfactant is based on a C 16-18 is fatty alcohol with an average ethoxylation degree of 25.
22. A composition according to claim 20 , wherein the polymer comprises a polyvinyl alcohol derivative, polyvinylpyrolidone (PVP), polyalkylene glycol and/or a derivative thereof.