Patch preparation
US9345670B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2013 |
| Grant date | May 24, 2016 |
| Priority date | — |
| Expiry date | Jan 24, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P17/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a patch preparation that has an extremely low moisture permeability, has a sufficient ODT effect, is excellent in drug releasability, and has a preferred handleability. The patch preparation of the present invention includes a support; and a pressure-sensitive adhesive layer containing an adherent polymer and a drug on one surface of the support, wherein: the support has a polyester base layer, an inorganic oxide layer, and a polyester nonwoven fabric layer in the stated order; the polyester base layer has a thickness of 1.0 μm to 16 μm; and the pressure-sensitive adhesive layer is laminated on the polyester base layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.