Anti-microbial plastic composition and washing machine...

Details Anti-microbial plastic composition and washing machine... Anti-microbial plastic composition and washing machine...

2004-05-12

2008-05-13

Mulcahy, Peter D. (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C068S072000

Reexamination Certificate

active

07371789

ABSTRACT:
Disclosed are anti-microbial composition, a washing machine including parts manufactured by the same, and a drum washing machine including a stand manufactured by the same. The anti-microbial plastic composition includes 99.0-99.7% of polypropylene and 0.3-1.0% of an anti-microbial master batch, the anti-microbial mater batch having 90% of polypropylene and 5% of isothiazolin compound, and 5% of inorganic compound or 89% of polypropylene, 5% of isothiazolin compound, 5% of inorganic compound, and 1% of silver compound. The isothiazolin compound comprises 4,5-dichloro-2-N-octyl-4-isothiazolin-3-one of chemical formula 1 and 2-N-octyl-4-isothiazolin-3-one of chemical formula 2 at a ratio of 4:1. The inorganic compound is zinc oxide. The washing machine in accordance with the present invention includes the anti-microbial plastic composition, and parts manufactured by the same such that the germs and fungus are prevented from being generated thereof. The drum washing machine in accordance with the present invention includes a cabinet divided into two drawers at the stand thereof.

REFERENCES:
patent: 6437020 (2002-08-01), Amick et al.
patent: 05-025319 (1993-02-01), None
patent: 08-092019 (1996-04-01), None
patent: 1019970004205 (1997-03-01), None
patent: WO 96/14882 (1996-05-01), None

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