Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – By alkyl transfer – e.g. – disproportionation – etc.
Reexamination Certificate
2011-07-12
2011-07-12
Caldarola, Glenn A (Department: 1771)
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
By alkyl transfer, e.g., disproportionation, etc.
C585S646000, C585S647000
Reexamination Certificate
active
07977522
ABSTRACT:
A process of producing olefins by a metathesis reaction in a practical low temperature range by improving the reactivity of the catalyst is provided.The process of producing olefins according to the present invention allows a metathesis reaction of olefins, which uses a catalyst containing metal elements such as tungsten, molybdenum, rhenium or the like, to proceed at an industrially sufficient reaction rate in a practical low temperature range, by using a compound containing at least one metal element selected from the metals of Group Ia (alkali metals), Group IIa (alkaline earth metals), Group IIb and Group IIIa as co-catalyst and allowing hydrogen gas to co-exist with the reaction raw material.
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Kubota Takeshi
Takai Toshihiro
Buchanan & Ingersoll & Rooney PC
Caldarola Glenn A
Etherton Bradley
Mitsui Chemicals Inc.
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