Multilayered patch
AssigneeKøbenhavns Universitet
InventorsMai Bay STIE, Heidi ÖBLOM, Jette JACOBSEN, Jukka RANTANEN, Hanne Mørck NIELSEN, Natalja GENINA, Cristiana Filipa BARREIRO DA CUNHA
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Abstract
A dosage form for application on mucosae for release of at least one active pharmaceutical ingredient, wherein the dosage form includes an adhesive layer, made of fibers, capable of adhering to the mucosae of the human or animal body, a water-repelling backing layer, and at least one intermediate layer positioned between the adhesive layer and the water-repelling backing layer. The active pharmaceutical ingredient(s) are incorporated in the intermediate layer(s) and/or in the adhesive layer.
Claims22
A dosage form for application on mucosae for release of at least one active pharmaceutical ingredient comprising:
- an adhesive layer capable of adhering to a mucosae of a human body or an animal body;
- a water-repelling backing layer;
- and
- at least one intermediate layer positioned between the adhesive layer and the water-repelling backing layer;
- wherein at least one active pharmaceutical ingredient is incorporated in the at least one intermediate layer and/or in the adhesive layer, wherein the at least one intermediate layer is a porous semi-solid or a solid material, and wherein the adhesive layer is made of fibers.
(canceled)
(canceled)
A method of forming a dosage form comprising:
- an adhesive layer capable of adhering to a mucosae of a human body or an animal body;
- a water-repelling backing layer;
- and
- at least one intermediate layer positioned between the adhesive layer and the water-repelling backing layer;
- wherein at least one active pharmaceutical ingredient is incorporated in the at least one intermediate layer and/or in the adhesive layer, wherein the at least one intermediate layer is a porous semi-solid or a solid material, and wherein the adhesive layer is made of fibers, wherein the method comprises:
- forming an adhesive layer which is capable of adhering to the mucosa of the human or the animal body;
- forming the at least one intermediate layer, wherein the intermediate layer is a porous semi-solid or solid material;
- and
- covering the intermediate layer with a water-repelling backing layer;
- wherein the at least one active pharmaceutical ingredient is incorporated in the at least one intermediate layer and/or in the adhesive layer.
Dependencies are inferred from the claim text.