Chemistry of hydrocarbon compounds – Aromatic compound synthesis – By condensation of entire molecules or entire hydrocarbyl...
Patent
1998-06-25
1999-03-02
Lewis, Michael
Chemistry of hydrocarbon compounds
Aromatic compound synthesis
By condensation of entire molecules or entire hydrocarbyl...
585331, 585375, 585446, 585709, 502216, 502303, 502305, 502349, 502355, C07C 270
Patent
active
058773711
ABSTRACT:
A solid state insoluble salt catalyst system for the carbocationic polymerization of olefin monomer in the presence of a polar or non-polar reaction medium, which comprises (a) solid state catalyst component comprising at least one salt of a strong acid and a carbocationically active transition metal selected from Groups III A, IV A, V A and VI A of the Periodic Table of Elements, wherein said salt is insoluble in the reaction medium; and (b) cocatalyst component effective for promoting the carbocationic polymerization.
REFERENCES:
patent: 4116880 (1978-09-01), Olah
patent: 5292986 (1994-03-01), Abbott
patent: 5663470 (1997-09-01), Chen et al.
Chen Frank Joung-yei
Cheradame Herve
Rissoan Gerard
Stanat Jon Edmond
Exxon Chemical Patents Inc.
Ghyka Alexander G.
Lewis Michael
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