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US 2015/0173366 A1Published application
Physical antimicrobial method
AssigneeNms Technologies Co., Ltd.
InventorYouliang Cai
Life of this patent
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Abstract
The present invention relates to a physical antimicrobial method, which has the action of combating or inhibiting microorganisms when applied to the surface of human or animal body or an object. The method is safe for human body, and can prevent drug resistance caused by an antibacterial drug.
Claims24
An antimicrobial method, the method comprising:
- applying an antimicrobial film or particle with positive charges to the surface of human or animal body or an object in need of antimicrobial treatment.
A silicone diquaternary ammonium salt of formula (I):
- (R1R2R3N+X−)—R5—(R1R2R3N+X−) (I)
- wherein, R1 each is independently a C8-18 alkyl group, a C8-18 alkenyl group or a C8-18 alkynyl group;
- R2 and R3 each are independently methyl or ethyl;
- R5 is C3-10 alkylene, which is substituted in β-site or farther site by tri (C1-3 alkoxy) silyloxy or tri (C1-3 alkoxy) silyl-C1-6 alkoxy;
- and X− each is independently a pharmaceutically acceptable counter anion.
2 more elements
Dependencies are inferred from the claim text.