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US 2014/0180223 A1Published application
Transparent transdermal nicotine delivery devices
AssigneeAlza Corporation
InventorRobert M. Gale
Life of this patent
Estimating the term…
Abstract
A transparent transdermal delivery device for delivering nicotine which has an Opacity Index of less than 48.6%.
Claims11
1-9. (canceled)
A method for smoking cessation therapy, comprising:
- providing a transdermal nicotine delivery device comprising a backing layer formed from a material selected from the group consisting of PET/EVA laminates, HDPE/EAA/nylon/EAA multilaminate and a film comprising a graft copolymer formed from about 73-77% acrylonitrile and from about 23-27% methyl acrylate copolymerized in the presence of about 8-10 parts by weight of butadiene/acrylonitrile copolymers containing approximately 70% by weight of polymer units derived from butadiene, and a drug reservoir layer containing nicotine carried by the backing layer, wherein the device is sufficiently transparent to permit the skin of a subject to which it is applied to be visible through the device;
- and
- applying the device to the skin of a subject.
Dependencies are inferred from the claim text.