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United States of America Patent

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Dec 24, 1991
Grant Date
N/A
app pub date
May 16, 1990
filing date
May 16, 1989

priority date (Note)
Expired

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Abstract

A prepreg comprising a porous support material impregnated with a binder consisting essentially of an epoxy resin, a bisphenol novolac hardener and 0.4 to 2.0% by weight based on the total binder of an imidazole and a method of preparing laminates of composite materials therefrom.

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Patent Owner(s)

HEXION SPECIALTY CHEMICALS, GMBH

International Classification(s)

B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Duda, Horst	Iserlohn, DE	1	13
Jellinek, Karl	Iserlohn, DE	9	68
Meier, Berthold	Menden, DE	1	13
Reisel, Winfried	Iserlohn, DE	1	13

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United States of America Patent

07524350

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Patent Longevity Expired	Forward Citations

PATENT NO	5075155
SERIAL NO	07524350
DOCKET NO

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07524350

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Abstract

First Claim

Family

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