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US 4,066,604 AGranted
Branched polyphenylene-mica composites
AssigneeStandard Oil Company (Indiana)
InventorChen-Shen Wang
Life of this patent
Estimating the term…
Abstract
A composite formed at relatively low temperature from branched polyphenylene and mica exhibits excellent mechanical properties after heat aging.
Claims10
A high temperature resistant composite comprising from about 50 to 90 wt. % mica and from about 10 to 50 wt.% branched polyphenylene having at least about 8% by weight of its benzene ring structures bonded to three or more other benzene ring structures.
Dependencies are inferred from the claim text.