Disposable, moisture vapour permeable, liquid impermeable...

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 33/00 (2006.01) A47C 21/06 (2006.01) A47C 31/10 (2006.01) A47G 9/00 (2006.01) A47G 9/02 (2006.01) A61L 15/26 (2006.01) A61L 15/46 (2006.01) B32B 27/28 (2006.01) C08J 5/12 (2006.01)

Patent

CA 2423239

The present invention relates to a disposable covering sheet which is moisture vapour permeable and liquid impermeable and contains active agent or agents. The disposable covering sheet comprises at least a moisture vapour permeable layer and a liquid impermeable but moisture vapour permeable film layer of thermoplastic compositions. The disposable covering sheet such as, for example, a mattress cover or a pillow cover gives a better comfort to the user by providing active agent releasing properties. The disposable covering sheet of the present invention can find a variety of applications wherein moisture vapour permeability and liquid imperviousness combined with long lasting active agent releasing properties are desirable.

La présente invention concerne une housse jetable perméable à la vapeur d'eau et imperméable aux liquides contenant un ou plusieurs agents actifs. Cette housse jetable comprend au moins une couche perméable à la vapeur d'eau et une fine couche thermoplastique imperméable aux liquides mais perméable à la vapeur d'eau. Grâce à ses propriétés de libération d'un agent actif, ladite housse jetable (housse de matelas ou d'oreiller, par exemple) offre un plus grand confort à l'utilisateur. La housse jetable de la présente invention peut trouver diverses applications bénéficiant de cette combinaison entre perméabilité à la vapeur d'eau, imperméabilité aux liquides et propriétés durables de libération d'un agent actif.

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