Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – From nonhydrocarbon feed
Reexamination Certificate
2006-04-04
2006-04-04
Dang, Thuan D (Department: 1764)
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
From nonhydrocarbon feed
C585S640000, C585S943000
Reexamination Certificate
active
07022888
ABSTRACT:
A process for the non-oxidative conversion of methane simultaneously with the conversion of an organic oxygenate, represented by a general formula: CnH2n+1OCmH2m+1, wherein C, H and O are carbon, hydrogen and oxygen elements, respectively; n is an integer having a value between 1 and 4; and m is an integer having a value between zero and 4, to C2+hydrocarbons, particularly to gasoline range C6–C10hydrocarbons and hydrogen, using a bifunctional pentasil zeolite catalyst, having strong acid and dehydrogenation functions, at a temperature below 700° C. is disclosed. In this process the moles of methane converted per mole of oxygenate converted is above 1.0, depending upon the process conditions.
REFERENCES:
patent: 5026937 (1991-06-01), Bricker
patent: 5336825 (1994-08-01), Choudhary et al.
Choudhary Vasant Ramchandra
Mondal Kartick Chandra
Mulla Shafeek Abdul Rashid
Council of Scientific and Industrial Research
Dang Thuan D
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