The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 03, 2009
Filed:
Apr. 18, 2006
Bimal V. Thakkar, Woodbury, MN (US);
Jeffrey O. Emslander, Afton, MN (US);
Steven M. Nielsen, Hastings, MN (US);
Douglas J. Hall, St. Paul, MN (US);
David G. Schueler, Forest Lake, MN (US);
Bimal V. Thakkar, Woodbury, MN (US);
Jeffrey O. Emslander, Afton, MN (US);
Steven M. Nielsen, Hastings, MN (US);
Douglas J. Hall, St. Paul, MN (US);
David G. Schueler, Forest Lake, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
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.