Release liner or protective sheet having a slit covered by another layer for use in adhesive laminates
AssigneeLTS Lohmann Therapie-Systeme AG
InventorsHans-Dieter Sahm, Heinrich Thoeing, Wolfgang Laux
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AssigneeLTS Lohmann Therapie-Systeme AG
InventorsHans-Dieter Sahm, Heinrich Thoeing, Wolfgang Laux
Estimating the term…
The invention relates to laminate segments equipped or coated with an adhesive matrix, particularly transdermal therapeutic systems having formulations strongly tending to leak adhesive. The inventive laminate segments include a matrix, with or without a back layer, a protective layer on the adhesive side of the matrix, provided with a cut as a peel-off aid, and a cover film partially coated with adhesive, applied to the protective film, which overlaps the cut in the protective film using the adhesive-free part thereof. The cover film prevents a leakage of the adhesive through the cut, and therefore a gluing together of the laminate segments to the packaging material thereof, without having an adverse effect on the function of the cut as a peel-off aid. Such laminate segments can be produced without the use of any intermediate carriers.
An adhesively furnished laminate section comprising a backing layer, a matrix having an adhesive side, and a protective sheet having first and second surfaces, said first surface of said protective sheet contacting the adhesive side of the matrix,
Dependencies are inferred from the claim text.