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1. WO2006097758 - ANTIMICROBIAL COMPOSITION

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[ EN ]

Claims

1. An antimicrobial composition comprising two or more cationic biocides and two or more biocides which are slower acting than the cationic biocides, wherein each cationic biocide is independently either:
(i) a quaternary ammonium compound at a concentration of at least 0.1% w/v; or (ii) a biguanide compound.

2. A composition as claimed in claim 1 wherein the slower acting biocides are preservative biocides.

3. A composition as claimed in claim 1 or 2 wherein the concentration of each quaternary ammonium compound is at least 0.2% w/v.

4. A composition as claimed in claim 1 or 2 wherein the concentration of each quaternary ammonium compound is at least 0.3% w/v.

5. A composition as claimed in claim 1 or 2 wherein the concentration of each quaternary ammonium compound is independently from 0.33 to 0.57% w/v.

6. A composition as claimed in any preceding claim wherein the concentration of each biguanide compound is independently from 0.075 to 0.125% w/v.

7. A composition as claimed in any preceding claim wherein the slower acting biocides independently comprise an aryloxyethanol, an arylethanol compound, 2-bromo-2-nitropropan-l,3-diol, an amidine compound, 8-hydroxyquinoline, a benzyl alcohol, a phenothiazinne or a thiosemicarbazone..

8. A composition as claimed in claim 7 wherein the concentration of the aryloxyethanol is from 0.037 to 0.063% w/v.

9. A composition as claimed in claim 7 or 8, wherein the concentration of the arylethanol is from 0.015 to 0.025% w/v.

10. A composition as claimed in any preceding claim additionally comprising ethanol.

11. A composition as claimed in any preceding claim substantially tree of chlorinated phenol.

12. Material impregnated with a composition as claimed in any preceding claim.

13. Material as claimed in claim 12 which is non- woven.

14. A plurality of pieces of material as claimed in claim 12 or 13 pre-loaded in a dispenser for said material.

15. The use of a composition as claimed in any of claims 1 - 11 to clean human skin, an inanimate surface, or both.

16. The use of material as claimed in claim 12 to clean human skin, an inanimate surface, or both.