Corn, callus and wart removing pads
US6471986B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2000 |
| Grant date | Oct 29, 2002 |
| Priority date | — |
| Expiry date | Jul 31, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2300/608
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A wart, callus and/or corn removing pad including a layer of hydrocolloid adhesive material having a periphery and an underside, a medicated plaster secured centrally to the underside of the layer of hydrocolloid adhesive material and including salicylic acid therein, a barrier layer interposed between the medicated plaster and the layer of hydrocolloid adhesive material to prevent diffusion of the salicylic acid in the medicated plaster to the layer of hydrocolloid adhesive material, an outer layer secured to the layer of hydrocolloid material, the outer layer at least having a border extending outwardly of the layer of hydrocolloid adhesive material, the border having an underside, a layer of adhesive material on the underside of the border, a release liner releasably secured to the underside of the hydrocolloid adhesive layer, and a paper release tab releasably secured to an upper surface of at least one of the hydrocolloid adhesive layer and the outer layer at one side thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.