Importance

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Abstract

Material comprising a flexible porous hydrophilic polymer foam or fibre matrix comprising two matrix faces and therebetween a structural matrix framework defining a network of cells, having a cell network surface and therein a network of pores and

a powder charge comprising antimicrobial additive and/or wound dressing additive,wherein said powder charge is comprised at said matrix face or faces and/or within said cell network or within said structural matrix frameworkand wherein said additive is micronized,wherein said micronized additive has single particle size population greater than or equal to 1 micron and/or has loss on drying (L.O.D) less than 2% and/orsaid powder charge additionally comprises and flowing agent and/or bulking agent wherein micronized additive is co-located with said flowing agent and/or bulking agent,method for the preparation thereof comprising micronizing said additive and dosing powder charge to said matrix or a reactive phase for the manufacture of said matrix,devices comprising said material and uses thereof.

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First Claim