(12) United States Patent (10) Patent No.: US 6,787,576 B2 Kiss Et Al
USOO6787576B2 (12) United States Patent (10) Patent No.: US 6,787,576 B2 Kiss et al. (45) Date of Patent: Sep. 7, 2004 (54) LINEAR ALPHAOLEFINS FROM NATURAL 5,210,060 A 5/1993 Radlowski et al. ......... 502/202 GAS-DERVED SYNTHESIS GAS OVERA 5.248,701 A 9/1993 Soled et al. ................ 518/700 NONSHIFTING COBALT CATALYST 6,166.262 A 12/2000 Connor ....................... 568/460 (75) Inventors: Gabor Kiss, Hampton, NJ (US); Rocco FOREIGN PATENT DOCUMENTS Anthony Fiato, Basking Ridge, NJ GB 21696.14 A 7/1986 ............. CO7C/1/04 (US); Frank Hershkowitz, Liberty JP 61O18433 A 1/1986 ............ B01J/21/16 Corner, NJ (US); David Chester Long, NL 7712952 A 5/1979 ............ BO1J/23/74 Ashburn, VA (US) OTHER PUBLICATIONS (73) Assignee: ExxonMobil Research and R. Madon et al., “Primary and Secondary Reaction Path Engineering Company, Annandale, NJ ways in Ruthenium-Catalyzed Hydrocarbon Synthesis”, (US) The Journal of Physical Chemistry, 1991, 95, pp. 7795-7804. (*) Notice: Subject to any disclaimer, the term of this E. Iglesia et al., “Transport-Enhanced C-Olefin Readsorp patent is extended or adjusted under 35 tion Pathways in Ru-Catalyzed Hydrocarbon Synthesis', U.S.C. 154(b) by 0 days. Journal of Catalysis, vol. 129, pp. 238-256 (1991). R. J. Madon et al., “Non-Flory Product Distributions in (21) Appl. No.: 10/330,860 Fischer-Tropsch Synthesis Catalyzed by Ruthenium, Cobalt, and Iron”, ACS Symposium Series Selectivity in (22) Filed: Dec. 27, 2002 Catalysis, Editors: M. E. Davis and S. L. Suib, New York, (65) Prior Publication Data Aug. 25–30, 1991.
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