Composite paperboards and method of making composite paperboards
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United States of America Patent
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Mar 25, 2008
Grant Date -
N/A
app pub date -
Mar 1, 2000
filing date -
Dec 28, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A laminate composite sheet comprising a two-ply base layer comprised of a bottom ply and a top ply, wherein the bottom ply is comprised of unbleached cellulosic fibers and wherein the top ply is comprised of bleached or brightened cellulosic fibers and a further layer attached to the top ply with a layer of adhesive; said further layer having a top and a bottom surface, said further layer selected from the group consisting of paper or film; said layer of adhesive containing no pigment, and said top surface of said further layer having no coating.
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Cited Art Landscape
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