Patch preparation
US8758312B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 6, 2012 |
| Grant date | Jun 24, 2014 |
| Priority date | — |
| Expiry date | Jul 6, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/28
- 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 in anchoring property of its drug-containing pressure-sensitive adhesive layer, and has a preferred patch feeling. 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 nonwoven fabric layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.