Plaster with a high content of softening ingredients

A - Human Necessities – 61 – L

Patent

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Details

A61L 15/58 (2006.01) A61K 9/70 (2006.01) A61L 15/44 (2006.01)

Patent

CA 2045290

The present invention relates to a device for the top- ical and systemic administration of active substances to or through the skin consisting of a backing layer, at least one self-adhesive layer, and a removable pro- tective layer, wherein the self-adhesive layer con- sists of (a) 100 parts by weight of a polyacrylate adhe- sive, (b) 5 to-150, preferably 10 to 100, and in par- ticular 15 to 50 parts by weight of a film former compatible with polyacrylates, (c) 0 to 250 parts by weight of a non-softening active substance and/or adjuvant, and (d) 10 to 250 parts by weight of a softening ac- tive substance and/or adjuvant.

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