Film plaster using support films with improved sliding properties and good extensibility, achieved by optimising the surface structure and hardness

US6727402B1 · kind B1 · utility

Assignee

• BEIERSDORF AG · DE

Inventors

• Witta Bruss · Augsburg, DE
• Gabriela Götz · Hamburg, DE
• Robert Mayan · Buxtehude, DE

Key dates

• Filing date: Apr 12, 2002
• Grant date: Apr 27, 2004
• Expiry date: Apr 12, 2022

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2013/00119
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A film plaster, especially for covering wounds and preventing or treating blisters, which comprises a two-layer elastic film, the upper layer being harder and thinner than the lower layer, and being structured, and the surface of the lower layer being coated, where appropriate, with a pressure-sensitive adhesive composition.