Retroreflective transfer sheet and applique
US5631064A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 15, 1995 |
| Grant date | May 20, 1997 |
| Priority date | — |
| Expiry date | Sep 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.