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US 2010/0137838 A1Published application
Non-pvc system tube for biomedical
AssigneeChoongwae Corporation
InventorYoung-Kuk Hwang
Life of this patent
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Abstract
The present invention relates to a medical tube, comprising an inner layer comprising 50 to 90% by weight of polypropylene-based elastomer and 10 to 50% by weight of polypropylene, based on the total weight of the inner layer; an intermediate layer comprising 45 to 55% by weight of polypropylene-based elastomer and 45 to 55% by weight of polypropylene, based on the total weight of the intermediate layer; and an outer layer comprising 20 to 55% by weight of polypropylene-based elastomer and 45 to 80% by weight of polypropylene, based on the total weight of the outer layer.
Claims10
A medical tube, comprising
- an inner layer comprising 50 to 90% by weight of polypropylene-based elastomer and 10 to 50% by weight of polypropylene, based on a total weight of the inner layer;
- an intermediate layer comprising 45 to 55% by weight of polypropylene-based elastomer and 45 to 55% by weight of polypropylene, based on a total weight of the intermediate layer;
- and
- an outer layer comprising 20 to 55% by weight of polypropylene-based elastomer and 45 to 80% by weight of polypropylene, based on a total weight of the outer layer.
1 more element
Dependencies are inferred from the claim text.