Patent · US Expired

Dressing

US6822132B2 · kind B2 · utility

16Cited by

6References

9Claims

0Family size

Assignee

BEIERSDORF AG · DE

Inventors

Helge Ahrens · Hamburg, DE
Carsten Hartkopf · Hamburg, DE
Jochen Kenndoff · Singkawang, ID
Ulrich Kohler · Hamburg, DE
Dirk Lenz · Hamburg, DE
Robert Mayan · Buxtehude, DE
Gunther Sachau · Norderstedt, DE
Ingrid Wesselkamp · Hamburg, DE

Key dates

Filing date	Sep 13, 2001
Grant date	Nov 23, 2004
Priority date	—
Expiry date	Jan 28, 2022

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61L15/58
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A dressing especially for covering wounds or preventing or treating blisters, comprising a water vapor pervious carrier film uniformly covered with an adhesive layer, wherein there is centrally disposed on the adhesive layer a water vapor pervious polyurethane matrix which is beveled from an especially central point to the edge of the adhesive layer, although the periphery of the adhesive layer is at least partially not covered by the polyurethane matrix.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.