1-butene production

Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – By alkyl transfer – e.g. – disproportionation – etc.

Reexamination Certificate

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Reexamination Certificate



A method for forming high purity 1-butene wherein a feed composed of pentenes and hexenes is subjected to metathesis with ethylene to form a mixture containing propylene, 1-butene, 2-butenes, pentenes, and hexenes, and high purity 1-butene is separately recovered from the mixture by simple distillation.

patent: 5698760 (1997-12-01), Kelly
patent: 6166279 (2000-12-01), Schwab et al.
R. L. Banks,Journal of Molecular Catalysis, vol. 8, p. 269-276, 1980, ISSN 0304-5102.
Robert L. Banks, “Discovery and Development of Olefin Disproportionation (Metathesis),” American Chemical Society Symposium, Series, No. 222, Heterogeneous Catalysis: Selected American Histories, B.H. Davis and W. P. Hettinger, Jr., Editors,American Chemical Society, 1983, ISSN 0097-6156.


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