Patent · US Expired

Retroreflective transfer sheet and applique

US5631064A · kind A · utility

30Cited by
23References
35Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 15, 1995
Grant dateMay 20, 1997
Priority date
Expiry dateSep 15, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/252
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

The present invention relates to retroreflective transfer sheets and graphic images produced therefrom, i.e., appliques. The retroreflective applique includes: a layer of optical lens elements partially embedded in and protruding from the front surface of a binder resin layer and a transfer adhesive layer comprising a vinyl plastisol disposed on the rear surface of the binder resin layer. The binder resin layer is prepared from ingredients comprising an isocyanate-functional hardener and a resin selected from the group consisting of a polyester resin and a polyurethane resin.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.