3m Innovative Properties Company

Minnesota Mining and Manufacturing Company

David G Schueler

Jeffrey O Emslander

Bimal V Thakkar

Douglas J Hall

Steven M Nielsen

Gregory F Jacobs

Terry R Bailey

Larry K Stump

Dale H Haunschild

Louis C Belisle, Deceased

Microstructured articles, such as a retroreflective articles, having a plurality of (e.g. cube-corner) microstructured elements and a seal film layer adhered to portions of the cube-corner elements and/or portions of a (e.g., flexible) body layer. The seal film is a thermoplastic polymeric material comprising reaction products of alkylene in an amount of at least about 50% and reaction products of at least one non-acidic polar monomer.

Retroreflective articles comprising olefinic seal films

Microstructured articles, such as a retroreflective articles, having a plurality of (e.g. cube-corner) microstructured elements and a seal film layer adhered to portions of the cube-corner elements and/or portions of a (e.g. flexible) body layer. The seal film is a thermoplastic polymeric material comprising reaction products of alkylene in an amount of at least about 50% and reaction products of at least one non-acidic polar monomer.

Retroreflective article that provides effective retroreflective brightness at very high entrance angles as well as low entrance angles.

High entrance angle retroreflective article and method of making

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Forest Lake, MN, United States of America

David G Schueler