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|1. (WO2018102089) POLYMERIC MULTILAYER FILM WITH OPENINGS|
|Applicants:||3M INNOVATIVE PROPERTIES COMPANY
|Inventors:||SLAMA, David F.
ANTILA, Garth V.
HANSEN, Brent R.
CLARKE, Graham M.
EMSLANDER, Jeffrey O.
ROGERS, John J.
YOUNG, Jacob D.
|Title:||POLYMERIC MULTILAYER FILM WITH OPENINGS|
Polymeric multilayer films having an array of openings extending between the first and second major surfaces of the film, and a thickness greater than 50 micrometers, wherein the openings each have a series of areas through the openings from the first and second major surfaces ranging from minimum to maximum areas, and wherein the minimum area is not at at least one of the major surfaces. Polymeric multilayer films described herein are useful, for example, for wound dressings and graphics films.