Antipruritic patch
US6469227B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 2000 |
| Grant date | Oct 22, 2002 |
| Priority date | — |
| Expiry date | May 12, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P17/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a non-occlusive adhesive skin patch. The patch includes a woven or nonwoven porous backing having a front side and a back side. The patch also includes a therapeutic formulation located on the front side of the backing. The backing includes a flexible sheet of water insoluble porous material. The therapeutic formulation includes a medicament useful for relieving topical discomfort and a pressure sensitive adhesive. The therapeutic formulation optionally includes a solvent that can effectively dissolve the medicament. The present invention also provides a method for alleviating topical discomfort. The method includes applying an adhesive skin patch of the present invention to skin inflicted with a topical disorder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.