Bleaching compositions

1. A laundry treatment composition comprising:

(i) between 0.0001 and 5 wt % of a transition metal V-peroxo compound which comprises the group

 wherein M is molybdenum, tungsten, or vanadium, further wherein said compound has between two and seven transition metal ions selected from molybdenum, tungsten and vanadium atoms, at least two transition metal ions linked via a bridge having a sulpher atom therein;

(ii) 1.5 to 60 wt % of a surfactant; and,

(iii) balance adjuncts and carrier materials to 100 wt %.

2. A laundry treatment composition according to claim 1 , wherein the composition comprises a molybdenum V-peroxo compound.

3. A laundry treatment composition according to claim 2 , wherein the molybdenum V-peroxo compound has between two and five Mo ions.

4. A laundry treatment composition according to claim 3 , wherein the molybdenum V-peroxo compound is a molybdenum trimer.

5. A laundry treatment composition according to claim 1 , wherein the transition metal V-peroxo compound has a cation selected from the group consisting of: an alkali metal, a quaternary ammonium compound, a cationic nitrile, and a cationic surfactant.

6. A laundry treatment composition according to claim 5 , wherein the transition metal V-peroxo compound has a cation which is a cationic surfactant.

7. A laundry treatment composition according to claim 1 , wherein the laundry treatment composition is a granular laundry detergent composition.

8. A laundry treatment composition according to claim 1 , wherein the laundry treatment composition is liquid detergent composition.

9. A laundry treatment composition according to claim 1 , wherein the composition further comprises a builder in the range of from 5 to 80 wt %.

10. A laundry treatment composition according to claim 1 , wherein the transition metal V-peroxo compound is a transition metal oxo V-peroxo compound.

11. A laundry treatment composition according to claim 10 wherein transition metal V-peroxo compound is selected from the group consisting of: [(μ 3 -SO 4 ) 2 -(μ 3 -O) 2 -(μ 2 -O) 7 —Mo 4 O 4 (O 2 ) 4 Mo 2 O 2 ] 4− , [(μ 3 -SO 4 ) 2 -(μ 3 -O) 2 -(μ 2 -O) 7 —W 4 O 4 (O 2 ) 4 W 2 O 2 ] 4− , [(μ 3 -SO 04 )-(μ 2 -HSO 4 )-(μ 3 -O)-(μ 2 -O) 2 —Mo 3 O 3 (O 2 ) 3 ], and [(μ 3 -SO 4 )-(μ 2 -HSO 4 )-(μ 3 -O)-(μ 2 -O) 2 —W 3 O 6 (O 2 ) 3 ] 3− , wherein the transition metal V-peroxo compound is in the form of a salt with a cation.

12. A method of bleaching a textile comprising the following steps:

(i) treating a textile with the composition according to claim 1 in an aqueous medium, wherein the aqueous medium comprises between 1 μM to 50 mM of the transition metal V-peroxo compound and has a pH in the range 4 to 13;

(ii) rinsing the textile with water; and,

(iii) drying the textile.

13. An aqueous wash liquor comprising the laundry treatment composition according to claim 1 , wherein the transition metal V-peroxo compound is present in the range 1 μM to 50 mM and the level of surfactant present in the wash liquor is between 0.05 to 5 g/l.