Epicutaneous test plaster
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 7, 2000
Grant Date -
N/A
app pub date -
Jul 15, 1999
filing date -
Dec 11, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A patch test plaster having at least one active substance receptacle arranged on a backing film, having a highly elastic backing film which is made of polymeric material, is impermeable to liquid water but permeable to water vapour, and is releasibly connected on the surface facing away from the skin to a supporting sheet and is provided on the surface facing the skin with an adhesive layer which is in turn covered by an at least two-part detachable protecting layer before application of the plaster, is characterized in that the protecting layer has a hinge-like connection on two opposite edges to the supporting sheet.
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