ABLATIVE AND INSULATIVE STRUCTURES AND MICROCELLULAR CARBON FIBERS FORMING SAME
Assignee
KETEMA INC.
Filed
Jan 31, 1990
Granted
Mar 29, 1994
Location
GLENBROOK NV US
Abstract
Microcellular carbon filaments having a specific gravity no greater than about 1.4 are formed from PAN foamed filaments by carbonizing. These low density carbon filaments, which may also be hollow, have improved insulation properties compared with conventional PAN precursor carbon fibers and can be used as a replacement to rayon precursor carbon fibers where greater insulation is necessary.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Mar 11, 1991
Rescinded
Jul 13, 1993
Duration
2 years, 4 months
Inventor
- 1ROBERT L. NOLAND
Record Details
- Patent number
- US 5298313
- Application
- 00747605
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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