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US 4,961,994 AGranted
Protective coated composite material
AssigneeGeneral Electric Company
InventorsFrank E. Cariou, Theodore A. Harris, Jr.
Life of this patent
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Abstract
An improved composite material which overcomes the moisture problem associated with other composite materials includes a protective waterproof coating of material such as a poly-para-xylylene over the composite material.
Claims2
A protective coated composite material consisting essentially of:
- a graphite-epoxy composite material or a composite material containing graphite fibers,
- a poly-para-xylylene waterproofing layer over said composite material,
- a metal oxide layer over said waterproofing layer,
- a third layer of a reflecting metal over said metal oxide layer, and
- a second metal oxide layer over said third layer.
2 more elements
Dependencies are inferred from the claim text.