Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1998-12-16
2000-08-15
Dentz, Bernard
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
546192, 5483351, 5483731, 562 35, 568909, C07F 950, C07F 954
Patent
active
06103908&
ABSTRACT:
Nonaqueous ionic ligand liquids of the formula (Q.sup..sym.)a A.sup.a-, where Q.sup..sym. is a singly charged quaternary ammonium and/or phosphonium cation or the equivalent of a multiply charged ammonium and/or phosphonium cation and A.sup.a- is a sulfonated triarylphosphine, a process for preparing them and their use as catalyst constituents.
REFERENCES:
patent: 4248802 (1981-02-01), Kuntz et al.
patent: 4710321 (1987-12-01), Bahrmann et al.
patent: 4716250 (1987-12-01), Abatjoglou et al.
Bahrmann Helmut
Schulte Markus
Celanese GmbH
Dentz Bernard
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