Claims
- 1. A particulate, carbon fibril-forming, metal catalyst deposited on a support, wherein said support comprises one or more readily cleavable planar surfaces and a surface area of at least 1 m2/gm.
- 2. The catalyst of claim 1 wherein said support is a metal oxide.
- 3. The catalyst of claim 1 wherein said support is γ-alumina in the form of aggregates of tabular, prismatic, or platelet crystals.
- 4. The catalyst of claim 1 wherein said support is magnesia in the form of aggregates of tabular, prismatic, or platelet crystals.
- 5. The catalyst of claim 1 wherein said catalyst comprises iron.
- 6. The catalyst of claim 5 wherein said catalyst comprises iron and at least one element chosen from Groups V, VI, or VII, or the lanthanides.
- 7. The catalyst of claim 6 wherein said element is molybdenum.
- 8. The catalyst of claim 6 wherein said element is chromium.
- 9. The catalyst of claim 6 wherein said element is manganese.
- 10. The catalyst of claim 6 wherein said element is tungsten.
- 11. The catalyst of claim 6 wherein said element is vanadium.
- 12. The catalyst of claim 6 wherein said element is cerium.
- 13. The catalyst of claim 1 wherein said catalyst comprises cobalt.
- 14. The catalyst of claim 1 wherein said catalyst comprises nickel.
- 15. The catalyst of claim 1 wherein said catalyst comprises manganese.
- 16. The catalyst of claim 1 wherein said catalyst comprises zinc and copper.
- 17. The catalyst of claim 1, wherein said support is alumina.
- 18. The catalyst of claim 17, wherein said catalyst comprises iron.
- 19. The catalyst of claim 17, wherein said metal catalyst is deposited on said support in an amount greater than 8 weight percent.
- 20. The catalyst of claim 17, wherein said metal catalyst is deposited on said support in an amount greater than 8 weight percent.
Parent Case Info
This application is a division of application Ser. No. 08/284,917 , filed Aug. 2, 1994, now U.S. Pat. No. 5,456,897, which is a Continuation of Ser. No. 07/855,122, filed Mar. 18, 1992, now abandoned, which is a Continuation of Ser. No. 07/413,837, filed Sep. 28, 1989 now abandoned.
US Referenced Citations (29)
Foreign Referenced Citations (6)
Number |
Date |
Country |
0198558 |
Oct 1986 |
EP |
1469930 |
Apr 1997 |
GB |
024566 |
Feb 1984 |
JP |
59152299 |
Aug 1984 |
JP |
8701317 |
Mar 1987 |
WO |
8900322 |
Jan 1989 |
WO |
Non-Patent Literature Citations (7)
Entry |
“Beacon Gas Conversion Process Yield Useful Carbon Materials” R&D (1987) Month Not Available. |
Baker et al., Carbon 21:463 (1983) Month Not Available. |
Tibbetts, SAMPE Journal (Sep./Oct. 1986) pp. 30-35 Month Not Available. |
Tibbetts et al., Carbon 25:367-75 (1987) Month Not Available. |
De Bokx et al., J. Catal. 96:454 (1985) Month Not Available. |
Boellaard et al., J. Catal. 96:481 (1985) Month Not Available. |
Baker et al., J. Catal. 64:464 (1980) Month Not Available. |
Continuations (2)
|
Number |
Date |
Country |
Parent |
07/855122 |
Mar 1992 |
US |
Child |
08/284917 |
|
US |
Parent |
07/413837 |
Sep 1989 |
US |
Child |
07/855122 |
|
US |