CONTAMINATION-PROOF SEALANT FILM AND PRODUCT FABRICATED THEREFROM

Title:

CONTAMINATION-PROOF SEALANT FILM AND PRODUCT FABRICATED THEREFROM

Document Type and Number:

WIPO Patent Application WO/1995/025010

Kind Code:

A1

Abstract:

A contamination-proof sealant film mainly used in the medical field, which is provided at least with the first layer as the innermost layer comprising at least one resin selected from the group consisting of linear low-density polyethylene, low-density polyethylene, polypropylene and polybutene-1, the second layer as an adhesive layer comprising non-crystalling polyolefin, adhesive polyolefin or an ethylene-vinyl acetate copolymer, and the third layer consisting of an ethylene-vinyl alcohol copolymer. The third layer functions as a barrier for preventing the contaminant from migrating from outside the third layer toward the first layer as the innermost layer.

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Inventors:

INOUE FUJIO (JP)
IZUMI MASAMITSU (JP)
KASHIYAMA SHIGETOSHI (JP)

Application Number:

PCT/JP1995/000410

Publication Date:

September 21, 1995

Filing Date:

March 10, 1995

Export Citation:

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Assignee:

OTSUKA PHARMA CO LTD (JP)
INOUE FUJIO (JP)
IZUMI MASAMITSU (JP)
KASHIYAMA SHIGETOSHI (JP)

International Classes:

A61J1/00; A61J1/05; A61J1/20; B32B27/08; B32B27/28; B32B27/32; (IPC1-7): B32B27/28; B32B27/08; A61J1/00

Foreign References:

JPH04147853A	1992-05-21
JPS62234930A	1987-10-15

Other References: