US 5730949
DIRECT PROCESS ROUTE TO ORGANOMETALLIC CONTAINING PITCHES FOR SPINNING INTO PITCH CARBON FIBERS
Assignee
CONOCO INC., A CORP. OF DE
Filed
Jun 4, 1990
Granted
Mar 24, 1998
Location
PONCA CITY OK US
Abstract
An improved process is disclosed for producing a metals containing anisotropic pitch product suitable for carbon fiber manufacture. Soluble-aromatic, organometallic compounds are added to a carbonaceous feedstock substantially free of mesophase pitch and the resulting composition is heat soaked preferably with gas sparge to produce a metals containing mesophase pitch.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Dec 7, 1990
Rescinded
Jun 18, 1997
Duration
6 years, 6 months
Inventor
- 1HUGH E. ROMINE
Record Details
- Patent number
- US 5730949
- Application
- 07533248
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
Browse by Assignee
CONOCO INC., A CORP. OF DEBack to patent indexSource: USPTO 35 USC §181 secrecy order records