Laminated plastic card
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 23, 1995
Grant Date -
N/A
app pub date -
May 6, 1993
filing date -
Sep 25, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A laminated plastic card provided a lamination of a dye accepting layer, a substrate of paper or the like, and a back coat layer, on which lamination one or more patterns are printed with a volatile dye, and a transparent plastic film adhered on the lamination by an adhesive agent, wherein the adhesive agent is a saturated polyester resin having an average molecular weight of approximately 18,000 gm/mole and produced by condensation polymerization of polypropylene glycol or trimethylol propane and adipic acid or azelaic acid.
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