Antibacterial composition for medical tool
AssigneeAdeka Corporation
InventorsRyoji Kimura, Hidehiro Ishizuka, Junji Shibasaki
Life of this patent
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Abstract
An antibacterial composition for medical tools made of a vinyl chloride resin, which comprises a specific cyclic organic phosphoric ester compound and a specific pyrithione compound and has excellent antibacterial properties; and a medical tool made of an antibacterial vinyl chloride resin obtained by adding the antibacterial composition to a vinyl chloride resin.
Claims8
An antimicrobial composition for a medical tool made of a vinyl chloride resin, which comprises (a) a cyclic organic phosphoric ester compound represented by formula (I):
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- wherein R1, R2, and R3 each represent a hydrogen atom or a straight-chain or branched alkyl group having 1 to 18 carbon atoms;
- R4 represents a hydrogen atom or a methyl group;
- n represents 1 or 2;
- and M represents a hydrogen atom or an alkali metal when n is 1, or an alkaline earth metal or a zinc atom when n is 2;
- and (b) a pyrithione compound represented by formula (II):
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- wherein M2 represents an alkali metal, an alkaline earth metal, a zinc atom, a copper atom or an aluminum atom;
- and n2 represents the same number as the valence of M2.
A medical tool made of an antimicrobial vinyl chloride resin having incorporated therein (a) a cyclic organic phosphoric ester compound represented by formula (I):
Dependencies are inferred from the claim text.