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:
Jun. 01, 2010
Filed:
Jun. 21, 2006
Jennifer L. Lee, Eagan, MN (US);
Mark W. Leverty, Lakeland, MN (US);
Scott A. Boyd, White Bear Lake, MN (US);
Eugene H. Carlson, Apple Valley, MN (US);
Lisa Flatt Nelson, Inver Grove Heights, MN (US);
Jennifer L. Lee, Eagan, MN (US);
Mark W. Leverty, Lakeland, MN (US);
Scott A. Boyd, White Bear Lake, MN (US);
Eugene H. Carlson, Apple Valley, MN (US);
Lisa Flatt Nelson, Inver Grove Heights, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Retroreflective sheeting is described comprising a viewing surface and a non-viewing surface and a thermal mass transferred image disposed in the optical path of the viewing surface wherein the thermal mass transferred image comprises a homogeneous unreactive thermoplastic composition. In one embodiment, the unreactive thermoplastic composition comprises at least one acrylic resin and at least one colorant, wherein the composition has less than 3 wt-% of components that are opaque at ambient temperature. The percent maximum diffuse luminous transmittance to total luminous transmittance of the composition is less than 50%.