US 5569417
THERMOPLASTIC COMPOSITIONS COMPRISING FILLED, B-STAGED PITCH
Assignee
BP AMOCO CORPORATION
Filed
Jul 27, 1989
Granted
Oct 29, 1996
Location
BEREA OH US
Abstract
Filled thermoplastic pitch comprising particulate filler and advanced mesophase pitch having a TMA deformation temperature of at least 400° C., and a method for the manufacture thereof. The filled thermoplastic pitch may be shaped and densified in one or more thermoforming operations. The resulting preform may be thermoset and carbonized in ordinary baking operations without requiring molds and pressurized vessels.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Sep 4, 1991
Rescinded
Jul 13, 1993
Duration
1 year, 10 months
Inventor
- 1LEONARD S. SINGER
Record Details
- Patent number
- US 5569417
- Application
- 07386803
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
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BP AMOCO CORPORATIONBack to patent indexSource: USPTO 35 USC §181 secrecy order records