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U.S. Department of Energy
Office of Scientific and Technical Information

Process for the preparation of a mixture consisting essentially of iso-butene oligomers and methyl tert. -butyl ether, its use, and fuels containing such mixture

Patent ·
OSTI ID:6313720
A fuel for a carburetor type engine consisting essentially of isobutene oligomers and methyl tert.-butyl ether, said fuel prepared by a process comprising: (A) in a first step contacting a mixture of straight chain and branched butanes and butenes with an acid catalyst whereby to oligomerize 50% to 90% by weight of the isobutene contained therein: (B) contacting the reaction mixture from step (A) with at least a molar amount of methanol, relative to the residual isobutene, in the presence of an acid catalyst; and (C) separating off from the reaction mixture unreacted butanes and butenes.
Assignee:
EDB-83-085630
Patent Number(s):
US 4377393
OSTI ID:
6313720
Country of Publication:
United States
Language:
English