High performance composite coating
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United States of America Patent
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-
Apr 5, 1994
Issued Date -
N/A
app pub date -
Oct 13, 1992
filing date -
Dec 21, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention provides a composite protective coating applied to a steel pipe, the coating comprising an epoxy resin primer bonded to the outer surface of the pipe, a polyolefin outer sheath, and an interlayer consisting of a mixture of epoxy resin and polyolefin. The composition of the mixture forming the interlayer is graded throughout its thickness, being substantially all epoxy resin adjacent to the primer coating and substantially all polyolefin adjacent to the sheath.
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Cited Art Landscape
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