Composite materials
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United States of America Patent
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Jan 15, 1991
Grant Date -
N/A
app pub date -
Apr 28, 1989
filing date -
Apr 30, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A laminate consisting essentially of a metal film or sheet and a film or sheet of a fluorine-containing polyimide (1), a composite sheet consisting essentially of a fluorohydrocarbon polymer substrate impregnated with a fluorine-containing polyimide (2), and a laminate consisting essentially of a metal film or sheet and the above composite sheet, the polyimide (1) and (2) being defined in the specification.
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