Active ingredient patch
AssigneeHexal Pharma GmbH
InventorsWilfried Fischer, Karin Klokkers
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Abstract
The invention relates to an active ingredient patch in the form of a laminate, the patch comprising a carrier and a matrix of a single polymer and if appropriate another polymer and vitamin E.
Claims10
An active ingredient patch in the form of a laminate, wherein the concentration of at least one of the active ingredients is such that the saturation concentration of the active ingredient is exceeded on application of the patch to the skin, comprising a carrier and a matrix of a single polymer and having a content of vitamin E or a vitamin E derivative and at least one active ingredient from the group formed by oestrogen hormones and progestagenic hormones, wherein the polymer is a copolymer based on acrylate and comprises at least 50% by weight of alkyl acrylate monomer and optionally, an acrylate monomer copolymerized with acrylic acid.
Dependencies are inferred from the claim text.