Patent · US Active

Water-vapor-permeable adhesive bandages

US11291745B2 · kind B2 · utility

0Cited by

5References

11Claims

0Family size

Assignee

LTS Lohmann Therapie-Systeme AG · DE

Inventors

Michael Horstmann · Neuwied, DE
Christian Hausen · Endingen am Kaiserstuhl, DE
Patrick Mohr · Mims, US
Karin Ludwig · Datzeroth, DE
Tobias KLEUDGEN · Ettringen, DE

Key dates

Filing date	Jan 4, 2019
Grant date	Apr 5, 2022
Priority date	—
Expiry date	Apr 30, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61L2300/608
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

Adhesive bandages are provided with a water-vapor permeable back layer and an adhesive layer, in which the adhesive layer includes 10 weight percent of a disperse internal phase of hydrophilic particles that are water-swellable in an outer phase that includes at least 10 weight percent of a styrene block copolymer and at least 20 weight percent of an ester resin of colophony, and that can further contain at least one anti-virus substance.

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