Catalytic composition based on transition metal complexes, and a

Details Catalytic composition based on transition metal complexes, and a Catalytic composition based on transition metal complexes, and a

1996-06-17

1998-12-22

Lipman, Bernard

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253328, 5253329, 5253331, 5253332, 525339, 585266, 585269, 585270, 585275, 585276, 585277, C08F 804

Patent

active

058521305

ABSTRACT:
A novel catalytic composition comprises at least one quaternary ammonium and/or phosphonium salt in which the anion is selected from the group formed by tetrafluoroborate, tetrachloroborate, hexafluorophosphate, hexafluoroantimonate, hexafluoroarsenate, trifluorosulphonate, fluorosulphonate, tetrachloroaluminate, dichlorocuprate, and trichlorozincate, and at least one complex of a transition metal from groups 8, 9 and 10, i.e., iron, ruthenium, cobalt, rhodium iridium, nickel, palladium and platinum. Application to total or selective hydrogenation of unsaturated compounds such as monoolefins, diolefins, acetylenic compounds, aromatic compounds, polynuclear aromatic compounds. Hydrogenation may be accompanied by isomerisation.

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patent: 4992609 (1991-02-01), Maeda et al.
patent: 5100854 (1992-03-01), Maeda et al.
patent: 5367107 (1994-11-01), Bahrmann et al.
patent: 5442107 (1995-08-01), Beavor et al.

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