Citada por|
| US4497789 | 3 Dic 1982 | 5 Feb 1985 | Ashland Oil, Inc. | Process for the manufacture of carbon fibers | | US4996037 | 12 Mar 1986 | 26 Feb 1991 | | Processes for the manufacture of enriched pitches and carbon fibers | | US5238672 | 20 Jun 1989 | 24 Ago 1993 | Ashland Oil, Inc. | Mesophase pitches, carbon fiber precursors, and carbonized fibers | | US5256250 | 20 Jul 1992 | 26 Oct 1993 | | Thin film evaporator | | US5316654 | 13 Sep 1985 | 31 May 1994 | | Processes for the manufacture of enriched pitches and carbon fibers | | US5614164 | 11 Sep 1992 | 25 Mar 1997 | Ashland Inc. | Production of mesophase pitches, carbon fiber precursors, and carbonized fibers |
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