Transdermal therapeutic system containing asenapine and polysiloxane or polyisobutylene
US11337932B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2017 |
| Grant date | May 24, 2022 |
| Priority date | — |
| Expiry date | Mar 2, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/24
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a transdermal therapeutic system (TTS) for the transdermal administration of asenapine comprising a self-adhesive layer structure comprising a therapeutically effective amount of asenapine, said self-adhesive layer structure comprising: A) a backing layer; B) an asenapine-containing layer comprising: 1. asenapine in the form of the free base; and 2. a polymer selected from the group consisting of polysiloxanes and polyisobutylenes in an amount of more than 50% by weight based on the total weight of the asenapine-containing layer; and C) optionally an additional skin contact layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.