CERAMIC COMPOSITES
Assignee
ETHYL CORPORATION
Filed
Jan 15, 1991
Granted
Dec 22, 1992
Location
BATON ROUGE LA US
Abstract
Fiber-reinforced ceramic composites are obtained by the use of a prepreg comprising sized carbon fibers bonded together with a matrix composition which comprises about 25-60% by weight of a polysilazane and about 75-40% by weight of at least two ceramic powders selected from silicon metal, silicon carbide and silicon boride powders.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
May 31, 1991
Rescinded
May 27, 1992
Duration
12 months
Inventor
- 1ERIC W. LIIMATTA
Record Details
- Patent number
- US 5173367
- Application
- 07647532
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
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