Silicone gel-coated wound dressing
US9295749B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2011 |
| Grant date | Mar 29, 2016 |
| Priority date | — |
| Expiry date | Jul 17, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2420/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A wound dressing product comprising: a substrate layer having an upper surface and a lower surface; a tacky silicone coating composition present on said upper surface and on said lower surface; and upper and lower release sheets covering said substrate and said tacky silicone coating composition on said upper and lower surfaces, respectively, and adhered to said surfaces by said tacky silicone coating composition, wherein said upper surface is less tacky than said lower surface whereby said upper release sheet can be removed from said upper surface more readily than said lower release sheet can be removed from said lower surface. The same silicone composition is used to form both the upper and the lower surface. Also provided are methods for making such dressings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.