Liquid catalyst for aliphatic alkylation

Details Liquid catalyst for aliphatic alkylation Liquid catalyst for aliphatic alkylation

1996-07-19

1998-12-15

Griffin, Walter D.

Chemistry of hydrocarbon compounds

Saturated compound synthesis

By condensation of a paraffin molecule with an olefin-acting...

585732, 585709, 585721, C07C 262

Patent

active

058499784

ABSTRACT:
The invention concerns the catalytic alkylation of at least one isoparaffin selected from the group formed by isobutane and isopentane in the presence of at least one olefin containing 3 to 6 carbon atoms per molecule, using a catalyst comprising 40% to 99% by weight of an acid selected from acids with formula R--SO.sub.3 H where R is fluorine or an alkyl group or a fluorinated alkyl group, R preferably being F or CF.sub.3, and more preferably CF.sub.3, and 1% to 60% by weight of a solvent selected from the group formed by sulpholane, dimethylsulphoxide and dioxanes, preferably sulpholane.

REFERENCES:
patent: 3778489 (1973-12-01), Parker et al.
patent: 3795712 (1974-03-01), Torck et al.
patent: 3922319 (1975-11-01), Brockington
patent: 4800186 (1989-01-01), Tasset
patent: 5120897 (1992-06-01), Del Rossi et al.
patent: 5196628 (1993-03-01), Del Rossi et al.
patent: 5284993 (1994-02-01), Eastman

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