Patent ID: 8513303

Claim:
A composition for killing and/or inactivating microbes, the composition comprising a catalyst, a peroxygen compound and a fluid medium, wherein the catalyst comprises a solid, keratinous or polymeric support, comprising one or more fibres, having a transition metal cation fixed thereto in an amount of 0.03 mmol or greater per gram of the support by means of the following manufacturing steps: (i) treating the support with a hydrazine salt and a hydroxylamine salt in the presence of a base to provide a modified support; (ii) treating the modified support with a base; and (iii) treating the modified support with an aqueous solution comprising an amount of a salt of a transition metal cation and a salt of a non-transition metal cation, wherein the non-transition metal cation comprises a metal from Group 1, 2, 12, 13, 14 or 15 of the Periodic Table of Elements.