Transdermal therapeutic system on the basis of adhesive plasticizer-polymer matrices
US11304912B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2018 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Nov 21, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/663
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present application relates to a transdermal therapeutic system comprising a backing layer impermeable to active substances and a polymer matrix on one side of the backing layer impermeable to active substances, wherein the polymer matrix comprises at least one pharmaceutically active substance, at least one inherently non-self-adhesive polymer and at least one plasticizer, said polymer matrix being free of adhesive polymers. The invention further relates to a method of producing the transdermal therapeutic system and to the use thereof as a drug.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.