Adhesive-backed breathable layered materials

Details Adhesive-backed breathable layered materials Adhesive-backed breathable layered materials

1992-08-13

1994-01-11

Lesmes, George F.

Stock material or miscellaneous articles

Sheet including cover or casing

Foamed or expanded material encased

428159, 4283159, 4283166, 428343, 428354, 428355, 428422, 604369, 604378, 6043851, B32B 300, B32B 312, B32B 712, A61F 1315

Patent

active

052779548

ABSTRACT:
A flexible, breathable, composite is provided. The laminate comprises a middle layer of a padding and top and bottom layer comprising a sheet of water impermeable, moisture-vapor-permeable film bonded to the middle layer and wherein at least one outer surface of the top or bottom layer is provided with a pressure-sensitive biocompatible adhesive. Preferably the top and bottom layers comprise a composite of (a) a flexible, first sheet of hydrophobic material; and (b) a continuous hydrophilic sheet attached to or penetrating the first sheet, and forming a contamination barrier. The composite is useful in diverse applications such as a padding under orthopedic casts.

REFERENCES:
patent: 3953566 (1976-04-01), Gore
patent: 4194041 (1980-03-01), Gore et al.
patent: 4737400 (1988-04-01), Edison et al.
patent: 5102711 (1992-04-01), Keller et al.
patent: 5153040 (1992-10-01), Faasse, Jr.
Monsanto Data Sheet No. 1594A Gelva Multipolymer Emulsion 2582.

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