Transdermal patch for delivering volatile liquid drugs
US6974588B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1999 |
| Grant date | Dec 13, 2005 |
| Priority date | — |
| Expiry date | Dec 7, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/465
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A transdermal patch for administering a volatile liquid drug, such as nicotine, transdermally to a patient comprising a four-layer laminated composite of: a top drug impermeable backing layer; a pressure sensitive silicone adhesive layer containing the drug; a pressure sensitive acrylic adhesive layer also containing the drug; and a removable siliconized release liner layer. Also disclosed is a method for treating a person for nicotine dependence and particularly for treating a woman for nicotine dependence.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.